Why the answer is B?

Which event would lead to primary succession of a forest?

To sciences do not agree on which type of grocery bag is better for the environment what is most likely to come out come out of the disagreement

What do isotopes of uranium have the same number of? what do they have a different number of? a) same number of protons; different number of electrons b) same number of protons; different number of neutrons c) same number of electrons; different number of protons d) same number of neutrons; different number of protons