The low vapor pressure of water preventing bodies of water from dying out.
Mario places 10 mL of water in a test tube and heats the liquid over a Bunsen burner for 2 minutes. After removing the test tube from the Bunsen burner, there are 6 mL of water left in the test tube. This experiment is a good example of a <span>physical change involving phase changes. </span>
Copper is the answer to ur question
B
Explanation:
Burning is a chemical change and cutting grass is a physical change