Answer:
It might include things like definitions, historical context, current events that have bearing on your writing, or other information. Background information does not directly support your thesis in an essay or paper, but it is necessary for your reader to understand your thesis.
Explanation:
Predicting where an earthquake epicenter will occur is easier because are patterns to look at due to the fact that they always occur near plate boundaries. Predicting when they will occur is difficult because they do not follow any certain pattern.
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.
The way the Earth's axis rotation affects the seasons depends on how far away the Earth is from the sun. When one part of the Earth is tilted toward the sun then it's summer and the other part of Earth is having winter.
