equator

North and South poles

oceans

mountain tops

make it warmer

air hits them and goes uphill and spreads out and cools off and it snows

they create deserts because they prevent rain clouds and make it dry

it attracts animals

they put carbon dioxide in the air

the width of rings tells about the weather that year

tree roots soak up water

trees create rain forests

something that ignites fire

a gas that holds in heat

a component of water

what we breathe in

desert areas

the area around the equator

the Earth becoming warmer because of too much carbon dioxide

pollution

cold

rainy

dry

warm

freezing

hot

rain and snow all the time, both hot and cold

no rain falls

mountains

beaches

islands

desert

the worlds's largest desert

ocean effects cause warming

the name of a cactus

the world's largest mountain