To provide a greater certainty that the observed results are not by chance.
Answer:
(D) energy from one place to another
Explanation:
the answer is 2.46 × 10^12
Answer: 4.5 billion years
Explanation:
Some of the water molecules in your drinking glass were created more than 4.5 billion years ago, according to new research.
That makes them older than the Earth, older than the solar system — even older than the sun itself.
A. cleaning up after environmental disasters