Only in Earth's atmosphere

Inside all water molecules

Inside the sun

Inside every living thing on Earth

Both involve liquid substances falling to Earth from the atmosphere.

Neither process works at low temperatures.

Both involve the transfer of substances between animals, plants, and the Earth.

Both involve the transfer of substances between the earth and outer space.

Through breathing.

Through evaporation.

Through cellular respiration.

Through transpiration.

Algae and marine plants

Ocean mammals, like whales and dolphins

Fish

Coral

Something that adds carbon to the atmosphere

Something that removes carbon from the atmosphere

Something that adds carbon to the earth's crust

Something that removes carbon from the earth's crust