Plate tectonics can explain which of the following ?

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

20 the main source of energy for our planet comes from the

Do you think humans have a moral obligation to preserve the habitat of the chimpanzee