Which bases are found in a strand of dna

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

Which of the following human activities resulted in the growth of the north american deer population?

As scientist had investigated evolution from a variety fields they have found