Why do we need carrier proteins for steroid hormones?

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?

The location of the stomach is the diaprham

The law of thermodynamics states that energy can't be created or destroyed. to natural sources of energy on earth are the