NEED ANSWER ASAP Which statement about epigenetics is accurate? a. True genetic change requires very small changes over many generations.
b. Environmental factors sometimes directly affect the expression of genes.
c. Environmental factors shape the lives of individuals, but not at the level of genes.
d. Once individuals are born, they do not adapt or evolve any further within their lifetime.

jupiter is mainly composed of hydrogen and helium just like a star. spectral analysis of jupiter has revealed that in addition to hydrogen and helium, the planet is made of water, methane and ammonia. those elements are in trace amounts. the core of the planet is thought to contain some rock and metallic hydrogen. i hope this will give you the answer to your question! : d

c it has to be i googled it

answer; a cost benefit analysis;

answer; a variety of simple organic compounds could be spontaneously synthesized from components in earths primitive atmosphere;