A scientific investigation...
Answer:
Deserts
Explanation:
Short for desertification
There are a few very good reasons why the change in the ice mass results in a decline in the populations of penguins. One reason is the penguins food source grows and develops under the the ice masses. Another reason is a loss of habitat for the penguins. When there is less ice, there are fewer krill for the penguins to eat.
Ionic bonds, hydrophobic interactions, hydrogen bonds, and Vander waals forces.
Mutation- a permanent change in the DNA sequence that makes up a gene.