Ahuman embryo doesn't need the kind of yolk that is present in a chick embryo. explain. it doesn’t need any nourishment. it gets its nourishment from its mother. it can synthesize its own food.

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 is the similarities and differences between bacteria and eukaryote?

Why does bubbling occur when vinegar mixed with baking soda