Answer is periodic because only happens in certain times
Answer:
i think the answer is Continental polar air masses
Explanation:
Answer:D. 9.1 mole Ar
Explanation:
364 g Ar x 1 mole Ar / 40 g Ar
= 9.1 moles Ar
If you mean what the abbreviation stands for, NASA means <span>National Aeronautics and Space Administration. Hope this helps!!</span>
Most rocks that we encounter in our normal everyday lives are sedimentary rocks. Sedimentary rocks are rocks that have been worn down gradually over long periods of time. Because it takes very long periods of time (couple decades) for these rocks to change, it often seems as if they don't change at all, when in reality the change is too small for us to realize it!
