Answer:
The science of biology is mainly studying about life. Second, it provides an in-depth, scientific understanding of how all living and nonliving organisms interact with each other. Third, it gives insights into how diverse life forms are.
Answer:
reduce light/electricity usage
recycling
use solar instruments
Answer:
Explanation:
Maybe look up key words(vocab), review any notes or homework. Go over any old classwork.
Answer:
4600-4500 million years ago, the Earth formed and its crust cooled to become solid. 4500-4400 million years ago, the oldest known thing to have formed on Earth, zircon, formed along with solid crust and oceans. 4200-4100 million years ago, the close of the Hadean Period (there are no surviving rocks).