What is an aerial hawker?

Echolocating bats have traditionally been split into two groups: 'loud' aerial hawkers who capture flying insects on the wing and 'whispering' gleaners who pick up prey from the ground. ... This indicates that the bats have moved from passive gleaning to airborne insect capture (aerial hawking).

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

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