sentences
stringlengths
9
187
label
int64
0
1
vegetation is a part of the biosphere
1
petroleum is a kind of fossil fuel
1
forming fossil fuels requires deposition and burial of decaying vegetation
1
fossil fuel is a part of the lithosphere
1
soil is permeable
1
if something is permeable , then the water will flow through something easily
1
brown is a kind of color
1
color of the soil can be used to indicate the soil component
1
high humus content causes the soil to be brown
1
the looseness of soil increases the ability of water to enter the soil
1
earthworms create tunnels in soil
1
tunnels in soil loosen that soil
1
the looseness of soil increases the amount of oxygen in that soil
1
sand drains water quickly
1
if something drains water quickly , then that something will have little capacity to hold water
1
high humus content causes the soil to be brown
1
humus is a source of nutrients in soil
1
color of the soil can be used to indicate the soil component
1
a rainforest is a kind of forest
1
using resources decreases those resources
1
a plant requires nutrients to grow
1
a forest contains lots of plants / trees
1
soil contains nutrients for plants
1
nutrients are a kind of resource
1
an earthworm is a kind of decomposer
1
decomposition is when a decomposer recycles nutrients from dead organisms to the soil by eating those dead organisms
1
decomposition increases the amount of nutrients / nitrogen in the soil
1
topsoil is a kind of soil
1
potassium is a kind of nutrient for plant growth
1
wildfire removes the nutrients in soil sometimes
1
nitrogen is a kind of nutrient for plant growth
1
if the nutrients in soil is removed , then the carrying capacity of soil for plant will be reduced
1
phosphorus is a kind of nutrient for plant growth
1
decaying plant is a kind of organic matter
1
organic matter is a source of nutrients in soil
1
fertile soil has a high number of nutrients
1
a thunderstorm is a kind of storm
1
rain is a kind of precipitation
1
a storm is a source of precipitation
1
cold fronts cause thunderstorms as they pass by
1
wind can make air masses to move in the same direction
1
jet streams may deflect the air masses moved by the prevailing westerlies
1
prevailing westerlies are prevailing winds from the west toward the east in the middle latitudes between 30 and 60 degrees latitude
1
united states are located in the middle latitudes between 30 and 60 degrees latitude
1
a storm is a source of precipitation
1
a thunderstorm is a kind of storm
1
snow is a kind of precipitation
1
rain is a kind of precipitation
1
cold fronts cause thunderstorms as they pass by
1
if gas is heated then that gas will rise
1
the ground radiates solar energy into air
1
travelling up a mountain side is a kind of rising
1
air is a kind of gas
1
solar energy can warm up the air
1
unstable air mass can cause a thunderstorm
1
the air mass over the ocean is warm
1
the air mass formed close to the ocean is humid in moisture
1
warm and humid air masses are usually unstable
1
thunderstorms are a source of rainfall
1
mountains can cause the water in the air mass to condense
1
mountain is a kind of geographic obstacles
1
rolling in mud is a learned behavior
1
a fly is a kind of insect
1
rolling in mud can be used to avoid insect bites by an animal
1
a moose is a kind of animal
1
snow is a kind of precipitation
1
grey clouds are a source of precipitation
1
condensation causes clouds to form
1
if something causes a process then that something is required for that process
1
when warm air mass passes over cold air mass, the water vapor in the warm air mass will condense
1
clouds produce rain
1
if it is raining, then the weather will be rainy
1
a warm front is when warm air mass passes over a cold air mass
1
cloudy means the presence of clouds in the sky
1
clouds are formed by water vapor condensing
1
clouds are formed by water vapor rising into colder regions of the atmosphere and condensing
1
water vapor is a kind of gas
1
water vapor is water in gas state
1
temperature is a measure of heat energy
1
water droplets are water in liquid state
1
condensing means a substance changes from a gas into a liquid by decreasing heat energy
1
temperature is a property of weather
1
the properties of something are used for describing that something
1
sky conditions are a property of weather
1
the sun is the source of solar energy called sunlight
1
solar energy causes the weather patterns
1
sand dunes are formed by the wind transporting and depositing sand
1
erosion is when wind transports sediments
1
sand is a kind of sediment
1
deposition is when wind deposits sediments
1
a landslide is when water / gravity rapidly moves rocks / soil downhill especially after a rain storm
1
erosion / storms can cause a landslide
1
a mountain is made of rocks / soil
1
erosion is when moving water transports sediments from one place to another place for a long distance
1
flowing water is a kind of moving water
1
flood is the water that overflows the river bank
1
a riverbank is made of soil
1
a flood is a kind of moving water
1
soil erosion is when moving water moves soil from fields / environments
1
sand dunes / arches are formed by the wind transporting and depositing sand
1