16. How does carbon primarily enter the geosphere?(1 point)

Responses

Through fossil fuel combustion

Through plant uptake

Through ocean absorption

Through volcanic eruptions

5 answers

Through volcanic eruptions
17. Match the following components of the carbon cycle to their respective Earth systems

Weathering-
Ocean Water-
Decomposition-
Photosynthesis-

biosphere

atmosphere

geosphere

hydrosphere
Weathering- geosphere

Ocean Water- hydrosphere

Decomposition- biosphere

Photosynthesis- biosphere
18. Which of the following best shows how changes in Earth's climate can influence life on Earth over time?(1 point)
Responses

Volcanic eruptions release gasses into the atmosphere, triggering global cooling.

Melting polar ice caps may lead to the extinction of polar bears.

Plate tectonics cause the formation of mountain ranges, creating new habitats for species.

Weathering processes erode sedimentary rocks, releasing nutrients essential for plant growth.
Melting polar ice caps may lead to the extinction of polar bears.