What happens to air as it heats up?
it rises
What activity contributes most to climate warming?
Burning fossil fuels
What is Earth's largest water reservoir?
the oceans
What causes clouds to form from water?
Condensation
What effect does the moon's gravity have on Earth?
tides
What is the lowest layer of the atmosphere?,that alsocontains the most CO2?
Troposphere
Where is the increase in carbon dioxide mostly occurring?
The atmosphere/troposphere
What kind of soil lets rain become groundwater?
Sandstone/permeable rocks
What process is a type of chemical weathering?
Acid rain, oxidation, etc
What is the last stage of a very massive star?
Black hole or neutron star
Why is solar energy stronger at the equator?
More direct sunlight
What is up?
The atmosphere
What causes frost wedging?
Freezing!
In which way are glaciers and rivers similar?
They both erode land and transport sediment
What process powers the Sun’s energy output?
Nuclear fusion
What weather is likely when a cold front moves inland?
Storms or heavy rain
How can ocean warming boost climate temperatures further?
Reduces CO₂ absorption, melts ice
What lets rivers carve grooves in land?
Erosion from moving water
What happens when substances in air and water react with rock?
Chemical weathering
Why do astronomers think the universe is expanding?
IT is in redshift
What effect does denser cold air have on pressure?
increases pressure/ High Pressure
What would happen if the ozone level increased in the stratosphere?
warmer because increased solar radiation
What water property causes frost wedging?
Hydrogen bonds expanding
What happens when rainwater freezes in concrete?
It expands and cracks the surface
how long will our sun be in the main sequence?
10 billion years!!!