I think this one has to be uranium
Answer:
once
Explanation:
during mitosis, one cell divides to form two identical cells
Answer:
Date palm trees are able to survive several years without rain.
Explanation:
Plants living in the hot desert climate of Cairo are adapted to the desert climate by being able to survive several years without rain.
A theory which is tested again and again and found to fit the facts and from the valid predictions may be made is then known as scientif ic law or priciples..