Answer:Periods of Earth's history with extensive sea ice result in enhanced albedo
Explanation:
Answer:
Gene mutation
Explanation:
The difference in the coloration of the whale is due to mutation. Mutation is an alteration of the gene of an organism which can result in a change in phenotypic qualities. Mutation can be caused by exposure to mutagens such as industrial chemicals.
Answer:
Choosing to move in order to work at a better job.
Explanation:
