Answer:
Answer is PHOTONS, named by Einstein
B. law of conservation of mass
This is why the total amount of and element before and after a chemical reaction is constant.
A trait is the organism's feature. So, a trait would be eye color. A phenotype would be hazel. An allele is a gene. It can be recessive or dominant.
Answer:
A protein is a long chain of amino acids folded in to a specific shape