Which sentence best summarizes a central idea of the text? A
Burger discovered that smaller animals tended to live longer because they were able to hide
or hibernate.
B
Some scientists disagree with Burger's analysis about the factors involved in a species'
overall survival rate.
© When Burger studied the lifespan of ancient animals, he found 19 types of mammals that
lasted 20 million years.
D
Burger determined that the survival of a species largely depended on a combination of
genetic traits and a stable environment.

B

Some scientists disagree with Burger's analysis about the factors involved in a species' overall survival rate.

B

Explanation:

the correct answer is b. in order to explain a point clearly in an essay, it is always better to include a clear example of your ideas. including an scenario in which a family is affected by consumerism will support your argument as well as supporting details, such as quotations from experts and statistics. option a could be correct, but statistics and quotations are supporting ideas rather than clear explanations. choices c and d are simply inadequate. they do not add information about the effects of consumerism, rather they are strategies for engaging the reader