Interaction Between Spheres

Question 1

Geosphere & Biosphere

Answer 1

Humans digging fossil fuels out of the ground. Living things decaying and becoming fossil fuels

Question 2

Hydrosphere & Atmosphere

Answer 2

Gases exchanged between the two spheres, for example: CO2 being absorbed from the atmosphere into the hydrosphere

Question 3

Biosphere & Atmosphere

Answer 3

Photosynthesis – plants taking CO2 out of the air
Respiration – animals putting CO2 into the air

Question 4

Atmosphere & Geosphere

Answer 4

Volcanic eruptions putting gases trapped in the ground into the atmosphere

Question 5

Biosphere & Hydrosphere

Answer 5

Plants and animals living in the ocean, plants taking CO2 in from the water and animals releasing CO2 into the water

Question 6

Geosphere & Hydrosphere

Answer 6

Minerals and dead living things falling to the bottom of the ocean and becoming ocean sediments