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cycles of freezing and thawing water cause mechanical weathering & mechanical weathering means breaking down rocks from a larger whole into smaller pieces by mechanical means | cycles of freezing and thawing water cause the rocks to break into smaller pieces |
oxidation of iron will change the iron to yellow, red, or orange color & chemical weathering causes iron in rock to oxidize & rocks sometimes contain iron | chemical weathering can cause iron in rock to oxidize and change the color of the rock to yellow, red, or orange |
a plant 's roots slowly break down rocks as the roots grow & weathering means breaking down rocks from a larger whole into smaller pieces by mechanical means | a plant's roots can cause weathering on rocks |
a plant's roots can cause weathering on rocks & a plant is a kind of living thing | a plant's roots causing weathering is an example of a living thing causing weathering |
mosses produces acid from their roots & acid can cause rocks to weather by chemical reaction | mosses can cause chemical weathering by producing acid from their roots |
an example of weathering is a plant root growing into a crack in rock & a tree is a kind of plant | a tree's root growing into a crack in rock is an example of weathering |
a plant is a kind of organism & a tree is a kind of plant | a tree is a kind of organism |
a tree's root growing into a crack in rock is an example of weathering & a tree is a kind of organism | a tree's root growing into a crack in rock is an example of organism causing the weathering |
a tree's root growing into a crack in rock is an example of organism causing the weathering & organic weathering means organisms cause the weathering of rocks | a tree's root growing into a crack in rock is an example of organic weathering |
moisture is a kind of environmental factor & warmth is a kind of environmental factor | warmth and moisture are kinds of environmental factors |
warmth and moisture are kinds of environmental factors & warmth and moisture can accelerate chemical reactions | a warm and moist environment can accelerate chemical reactions |
a warm and moist environment can accelerate chemical reactions & chemical weathering means chemical reaction causes the weathering of rocks | a warm and moist environment can accelerate the rate of chemical weathering on rocks |
an example of weathering is a plant root growing into a crack in rock & a tree is a kind of plant & a boulder is a kind of large rock | a tree's root growing in a crack in a boulder is an example of weathering |
acid produced by some trees can change the soil chemistry & a change in soil chemistry is a kind of chemical weathering | some trees producing acid is an example of chemical weathering |
acid can cause rocks to weather by chemical reaction & soil is formed by rocks weathering | acid can form soil by weathering rocks |
acid can form soil by weathering rocks & plants can produce acid | plants can form soil by producing acid to weather rocks |
acid can cause rocks to weather by chemical reaction & chemical weathering means chemical reaction causes the weathering of rocks | acid weathering rocks is a kind of chemical weathering |
acid weathering rocks is a kind of chemical weathering & lichens can produce acid to break down rocks | lichens producing acid to break down rocks is an example of chemical weathering |
a drought is a kind of slow environmental change & a drought occurs over a period of months / years | a drought is an environmental change that occurs over a period of months or years |
a hurricane has high wind speeds & high winds are winds with high wind speed & a tornado has high wind speeds | both hurricanes and tornadoes have high winds |
low means low in elevation / height / altitude & area means a place | low areas means places with low elevation |
low areas means places with low elevation & as elevation of a place decreases , how much a flood will affect that place will increases | a flood will affect low areas more than higher areas |
drought is when available water decreases in an environment & plants require water to survive | drought will decrease the water plants need to survive |
drought will decrease the water plants need to survive & plants drying out means plants do not have enough water to survive | drought can cause plants to dry out |
drought can cause plants to dry out & drought may cause wildfires | drought can cause plants to dry out and cause wildfires |
a hurricane has large amount of rain & a hurricane has high wind speed | a hurricane has high wind speed and large amount of rain |
rain causes erosion & wind causes erosion | wind and rain / storms cause erosion |
a hurricane has high wind speed and large amount of rain & wind and rain / storms cause erosion | a hurricane can cause erosion |
the temperautre on lands is usually colder and less humid in moisture & moisture and warm temperature is the source of energy in hurricanes | when a hurricane moves over land , that hurricane will decrease in strength |
when a hurricane moves over land , that hurricane will decrease in strength & a continent is a kind of large land mass | when a hurricane moves over a continent, that hurricane will decrease in strength |
disrupting something from reaching something else decreases the availability of that something & smoke from volcanic eruptions can disrupt sunlight from reaching earth 's surface | smoke from volcanic eruptions can decrease the availability of sunlight |
smoke from volcanic eruptions can decrease the availability of sunlight & as the availability of sunlight decreases , the ability of producers to produce food decrease | smoke from volcanic eruptions can decrease the food produced by the producers by decreasing the availability of sunlight |
smoke from volcanic eruptions can decrease the food produced by the producers by decreasing the availability of sunlight & food is a kind of resource | smoke from vocanic eruptions can decrease resources in an area by decreasing the availability of sunlight |
heat and moisture above the ocean cause the formation of a hurricane & air is above the ocean | heat and moisture in the air above the ocean can cause the formation of a hurricane |
heat and moisture in the air above the ocean can cause the formation of a hurricane & warm means medium heat energy / temperature | warm and moist air above the ocean can cause the formation of a hurricane |
flooding decreases the availability of food & a living thing requires food for survival | flooding can decrease the availability of food required by living things for survival |
flooding can decrease the availability of food required by living things for survival & a parrot is a kind of living thing | flooding can decrease the availability of food required by parrots for survival |
the decrease of something required by an organism has a negative impact on that organism 's survival & a parrot is a kind of organism | the decrease of something required by a parrot has a negative impact on that parrot's survival |
flooding can decrease the availability of food required by parrots for survival & the decrease of something required by a parrot has a negative impact on that parrot's survival | flooding decreasing food availability has a negative impact on parrots survival |
drought is when available water decreases in an environment & as the availability of water decreases, the environment will become more dry | drought causes the environment to be dry |
drought causes the environment to be dry & dry conditions can cause fire | drought may cause wildfires |
drought may cause wildfires & a prairie is a kind of ecosystem | drought may cause wildfires to a prairie |
humidity is a property of weather and include ordered values of dry / humid & a weather report describes weather | a weather report will describe the humidity of weather |
a weather report will describe the humidity of weather & humidity is the amount of moisture in the air | the weather report will decribe the amount of moisture in the air |
the air mass formed close to the ocean is humid in moisture & boston is a city that is near to the coast of the atlantic ocean | the air mass in boston will be humid in moisture |
the equator receives the most amount of direct sunlight throughout the year & the poles receives the least amount of direct sunlight throughout the year | the equator receives more direct sunlight than the poles on earth |
the equator receives more direct sunlight than the poles on earth & there is ocean found at the equator and the poles area | the ocean at the equator will receive more direct sunlight than the ocean at the poles |
the ocean at the equator will receive more direct sunlight than the ocean at the poles & if something receives sunlight, it will absorb the sunlight | the ocean at the equator will abosrb more direct sunlight than the ocean at the poles |
the equator receives the most amount of direct sunlight throughout the year & the poles receives the least amount of direct sunlight throughout the year | the equator receives more direct sunlight than the poles on earth |
the equator receives more direct sunlight than the poles on earth & if something receives sunlight, it will absorb the sunlight | the equator will abosrb more direct sunlight than the poles on earth |
the equator will abosrb more direct sunlight than the poles on earth & if an object / a substance / a location absorbs solar energy then that object / that substance will increase in temperature | the equator will have higher temperature than the poles on earth |
the climate is low in humidity in nevada & lack of moisture in the air causes low amounts of rainfall | the low humidity in nevada causes the low amounts of rainfall |
cloudy is a kind of weather & rainy is a kind of weather & cold is a kind of weather & windy is a kind of weather | windy, cloudy, rainy, and cold are all kinds of weather |
a barometer is used to measure air pressure & a barometer is a kind of instrument | a barometer is an instrument used to measure air pressure |
a barometer is used to measure air pressure & a barometer is a kind of instrument | a barometer is an instrument used to measure air pressure |
a barometer is used to measure air pressure & air pressure is a property of air | a barometer is used to meausre the air pressure property |
a property is a kind of information & temperature is a property of weather | temperature is a kindof information about weather |
temperature is a kindof information about weather & a thermometer is used to measure temperature | a thermometer is used to measure the information about weather on temperature |
cold fronts cause thunderstorms as they pass by & a large cold front is moving past the school | the large cold front passing the school will cause thunderstorms |
the large cold front passing the school will cause thunderstorms & the weather at school is hot and humid | the weather will change from hot and humid to having thunderstorms at the school |
investigating a process requires investigating every stage of the process & scientists want to investigate the water cycle & a cycle is a kind of process | scientists have to investigate every stage of the water cycle |
scientists have to investigate every stage of the water cycle & precipitation is a stage in the water cycle process | scientists have to investigate precipitation in the water cycle |
scientists have to investigate precipitation in the water cycle & investigating something requires investigating the properties of something | scientists have to investigate the properties of percipitation |
scientists have to investigate the properties of percipitation & the amount of precipitation is a property of precipitation & investigating sometimes requires measuring | scientists have to meausre the amount of precipitation |
an anemometer is a kind of instrument & an anemometer is used to measure wind speed | an anemometer is an instrument used to measure wind speed |
clear weather means sunny / not cloudy / not rainy weather & high pressure systems cause clear weather | high pressure systems can cause sunny weather |
hurricane is a kind of severe weather & a weather map is a map showing the weather for an area | a hurricane will be shown on a weather map |
wind direction is a property of weather & a property is a kind of information | wind direction is a kind of information about weather |
wind direction is a kind of information about weather & a station model is used for displaying information about weather in a particular point and time | wind direction in a particular point and time is displayed in a station model |
transpiration is a stage in the water cycle process & transpiration is when water vapor moves from plants into the atmosphere | transpiration of plants is a stage in the water cycle process by moving water vapor from plants to atmosphere |
water is a kind of substance & condensing means a substance changes from a gas into a liquid by decreasing heat energy | water condensing means water changes from a gas to a liquid by decreasing heat energy |
water condensing means water changes from a gas to a liquid by decreasing heat energy & water is in the liquid state, called liquid water & water is in the gas state , called water vapor | water condensing means water changes from water vapor to liquid water by decreasing heat energy |
cooling means temperature decreases & temperature is a measure of heat energy | cooling means decreasing in heat energy |
water condensing means water changes from water vapor to liquid water by decreasing heat energy & cooling means decreasing in heat energy & water vapor is rapidly cooled | water vapor cooling causes that water vapor to condense into liquid water |
condensing means a substance changes from a gas into a liquid by decreasing heat energy0 & temperature is a measure of heat energy & colder means lower in temperature | colder means a decrease in heat energy |
colder means a decrease in heat energy & air is rising to a colder region | the heat energy of the air will decrease when air is rising to a colder region |
condensing means a substance changes from a gas into a liquid by decreasing heat energy1 & water vapor is found in the atmosphere | air contains water vapor |
the heat energy of the air will decrease when air is rising to a colder region & air contains water vapor | the water vapor in air will decrease in heat energy when air is rising to a colder region |
condensing means a substance changes from a gas into a liquid by decreasing heat energy & water is a kind of substance | water condensing is when water changing from a gas into a liquid by decreasing heat energy |
water condensing is when water changing from a gas into a liquid by decreasing heat energy & water is in the gas state , called water vapor & water is in the liquid state, called liquid water | water condensing is when water changing from water vapor into liquid water by decreasing heat energy |
the water vapor in air will decrease in heat energy when air is rising to a colder region & water condensing is when water changing from water vapor into liquid water by decreasing heat energy | air rising into a colder region will cause the water vapor in air to condense |
air rising into a colder region will cause the water vapor in air to condense & clouds are formed by water vapor rising into colder regions of the atmosphere and condensing into rain droplets | air rising into a colder region will cause the water vapor to condense into rain droplets |
evaporation is when water is drawn back up into the air in the water cycle & in the water cycle , evaporation always follows collection in bodies of water & bodies of water are located on the surface of the earth | evaporation will transfer the water in bodies of water on the surface of earth back into the air |
transpiration is when water vapor moves from plants into the atmosphere & clouds are made of water vapor | transpiration transfers the water vapor making up clouds from plants into atmosphere |
transpiration transfers the water vapor making up clouds from plants into atmosphere & transpiration is a stage in the water cycle process | transpiration is a stage in the water cycle that transfers the water vapor making up clouds from plants into atmosphere |
in the water cycle , collection in bodies of water can follow runoff & in the water cycle , runoff can follow precipitation | collection in bodies of water happens after precipitation and runoff |
collection in bodies of water happens after precipitation and runoff & collection in water cycle is when precipitation is collected in bodies of water | precipitation will be collected in bodies of water after precipitation and runoff |
precipitation will be collected in bodies of water after precipitation and runoff & a lake is a kind of body of water | lakes are formed by precipitation and runoff |
a thunderstorm is a kind of storm & a storm is a source of heavy rain | a thunderstorm is a source of heavy rain |
a thunderstorm is a source of heavy rain & rain causes bodies of water to increase amount of water they contain | a thunderstorm can cause bodies of water to increase amount of water they contain |
a thunderstorm can cause bodies of water to increase amount of water they contain & when a body of water receives more water than it can hold , a flood occurs | a thunderstorm can cause bodies of water to flood |
a thunderstorm can cause bodies of water to flood & a stream is a kind of moving body of water | a thunderstorm can cause a stream to flood |
snow is a kind of precipitation & hail is a kind of precipitation & sleet is a kind of precipitation & rain is a kind of precipitation | hail, snow, sleet, and rain are different kinds of precipitation |
water vapor condensing in clouds causes rain & rain is a kind of precipitation | water vapor has to condense in clouds before clouds producing precipitation |
hail is a kind of precipitation & sleet is a kind of precipitation | hail and sleet are different kinds of precipitation |
when water falls from the sky , that water usually returns to the soil & precipitation is when water falls from the sky | when precipitation happens, water usually returns to the soil |
when precipitation happens, water usually returns to the soil & precipitation is a stage in the water cycle process | precipitation is a stage in water cycle where the water will return to the soil |
the temperature is below freezing & the freezing point of water is 32f / 0c / 273k & freezing is usually used to refer the freezing point of water in real life | the temperature is below 0 c |
the temperature is below 0 c & precipitation is when water falls from the sky & water is in the solid state , called ice , for temperatures between 0 / -459 / -273 and 273 / 32 / 0 k / f / c | the precipitation of water will be in ice form when temperature is below 0 c |
snow is a kind of ice & snow is a kind of precipitation | snow is precipitation in ice form |