The Cycles of Matter Answers

The carbon cycle involves an exchange of carbon between the atmosphere and geosphere only.

What is likely to happen in the long term if the Earth continues to absorb more energy than it emits?a.The Earth will discontinue recycling energy.b.Organisms will begin to compensate for the change by incorporating more energy.c.The overall temperature of the Earth will increase.d.The nutrient cycles will happen more frequently.

Biogeochemical cycles recycle water and natural elements throughout the biosphere to ensure that organisms do not run out of these substances. Thiobacillus denitrificans is a specialized species of bacteria that obtains its energy from carbon dioxide and inorganic nitrogen-containing compounds such as nitrates in its environment. It is used in the bioremediation of groundwater that contains excess nitrate. How does Thiobacillus denitrificans help bioremediate groundwater?

The sun is the ultimate source for energy on the Earth.