It began 3.5 billion years ago
Small fragments of orbiting bodies that have landed on Earth are known as meteorites. If the fragments are still orbiting earth are known as meteoroids. They are not called meteorites until they enter Earth's atmosphere. Once a meteor enters Earth's atmosphere it will begin to burn up. It may burn up completely or lose most of its size by the time is lands on Earth's surface.
Answer:
Cell is called the Fundamental Unit of Life Because all basic metabolism activity starts from the cell. Inside the cell, energy is produced , food is stored and many more activities take place
it is structural and functional unit of living beings
it includes all the activities of cells
it is there in each and every life process
I think it is sodium good luck! sorry if I’m wrong
D. Mutations involved the genetic variation of the bugs are random