What elements do all four biomolecules contain?

Why do you think water is so important to living things

In this experiment, the was intentionally manipulated. it is the independent variable. the dependent variables that were measured were the

Identify characteristics of energy from the sun. check all that apply. almost all of the energy on earth comes from the sun. energy from the sun is known as mechanical energy. the energy in fossil fuels originally came from the sun. plants convert the energy of sunlight into chemical energy.