What is a shared derived characteristic? What is an example of this type of characteristic? (20 points!!)

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

What drives the atp synthase reactions that produce atp

Several billion years ago which gas was the least prevailant in the atmosphere