Mitosis has one round of genetic separation and cellular division, while Meiosis has two rounds of each.
Answer:
Wegner proposed the theory of Continental Drift (Pangea). Continental Drift is a theory that at one time, all of the continents were stuck together in this one giant land mass. They drifted apart slowly and formed into our modern day world. Hope this helps!
Answer: hydrogen molecules.
Explanation: in same temperature molecules have same average kinetic energy.
You can estimate it solving E = 3/2 kT = 1/2 mv². Constant k is Boltzmann constant.
Lighter molecule has greater speed