Indicate which type of chemical reaction (synthesis, decomposition, single-displacement, double displacement or combustion) is being represented

What does the process of natural selection involve

Explain the relationship between forward and backward reactions in equilibrium, and predict how changing the amount of a reactant (creating a tension) will affect that relationship.

An atomic nucleus is composed ofa)protons.b)protons and neutrons.c)protons and electrons.d)protons, neutrons, and electrons.