Geothermal energy is obtained by using the heat stored in the Earth’s interior. What steps are necessary to produce energy from the Earth'e geothermal energy?

A) The Earth's heat converts water to steam which is stored in fuel cells, powering a generator, releasing energy.
B) The Earth's heat converts water to steam, producing mechanical energy which powers a generator, releasing energy.
C) The Earth's heat converts water to steam which is used to turn a turbine which releases energy to the power grid.
D) The Earth's heat converts water to steam which is used to turn a turbine which powers a generator, releasing energy.

What did not occur in the proterozoic eon a)the oxygen levels increase greatly in the atmosphere,b)the emergence of the eukarya , c)muti cella’s eukaryotic organisms began to diversify,d)anaerobic bacteria kept thriving with more oxygen

Amoeba proteus is injected with a drug that inhibits the formation of microtubules. what effect does this have on the organism’s movement?

Agenetically engineered corn plant is approved for agricultural use. the plant produces pollen that can make its own toxins. these toxins protect the corn plant against pests and no longer require the application of chemical pesticide. what is a likely impact on the farmer of growing such a variety of corn? a- the financial costs for the farmer would be lowered since less crops would be lost to pests. b-the financial costs for the farmer would be lowered since more crops would be lost to pests. c-the farmer may be held responsible for increasing chemical pollution. d-the farmer's expenses for pest control would increase due to an increase in bee population.