The environment was a tropical ocean
Answer:
thwy are made out of organisms and genetics
When you exercise your body sweats to cool itself off. The sweat has a certain portion of salt in it, which is why sweat tastes salty. The more you sweat, the more salt that leaves your body.
Answer:
A
Explanation:
I think this is because the base pair orders change from person to person.
Troposphere is the answer