A is correct is the answer
Answer:
yes. a ecosystem consist of both biotic and abiotic factor
I believe this would be true
As Earth rotates, different parts of Earth receive sunlight or darkness, giving us day and night. Since different parts of Earth enter and exit daylight at different times, we need different time zones. In the late 1800s, a group of scientists figured out a way to divide the world into different time zones.
