Name of the three main biomes of the united states land only

Which geologic feature would most likely be represented by contour lines john far apart from one another? a cliff a hill a plain a valley

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?

What best describes the dropping height of a ball that bounces back up to a height of 45 cm