Based on the diagram, which best describes how sea levels have changed throughout Earth’s history? Sea levels have mostly risen over time.
Sea levels have mostly fallen over time.
Sea levels have remained the same over time.
Sea levels have shifted between rising and falling over time.

Biomass can be used to generate electricity. biomass relies heavily on agricultural crops. plants release carbon dioxide and water in combustion. plants use photosynthesis to originally generate the energy that is needed. the chemical energy of these plants all started with what energy source?

Ascientist separates a population of mice into two groups. what would most likely increase the rate of speciation in this population. a. teach the two groups different tricks b. allow the two groups to breed with each other c. put the two groups in different environment d. have the two groups live in identical ecosystems

The first generation of offspring from the cross of two parents is called the a.f1 generation b.f2 generation c.short generation d.p generation