Why do plants and animals adapt to their environment? НЕ
А
to become better at getting food
B
to protect themselves against other animals
с
to become better able to survive in their surroundings
D
all of the above

Select all of the statements which are true. electrons are located in shells or orbits around the atom. electrons orbit slowly around the atom. electrons travel in one flat path around the nucleus of an atom. the valence of an atom is determined by the number of electrons in the atom's outermost shell.