Answer:
According to the current fossil record, scientists believe that the life on earth began about 3.5 billion years ago.
Answer:
A closed system is a physical system that does not allow transfer of matter in or out of the system, though, in different contexts, such as physics, chemistry or engineering, the transfer of energy is or is not allowed.
The process is called condensation
The answer is California Current, I just took the test.
cant you do that your self is pretty simple, also you don't have the same music taste as us so why would we waste are time if you not gonna like it.