Explanation:
False, gray whales average 75 miles per day at a speed of 5 mph and is the longest annual migration of any mammal.
Answer:
Explanation:
b is the most stable( noble gas ) since it has an octet valance shell and can't loses or gains any more of electrons
D.radiation that’s the right answer
Answer:
Helium has atomic mass 4.002602.
So the answer to yr question is helium.
They have the same number of protons