Atoms can form molecules by donating, accepting, or sharing electrons to fill their outer shells.
C cladogram
A cladogram shows how animals under the same family began to dive millions of years ago
Answer:
While it is difficult to determine exactly how many Natives lived in North America before Columbus, estimates range from a low of 2.1 million to 7 million people to a high of 18 million.
Explanation:
Answer:
the first option is correct (true)
