Organizing sentences around a central idea creates a/an
a) supporting detail
b) comparison
c) paragraph
d) introduction

explanation:

human affect the biosphere by inceasing air pollution , damaging the ozone layer, worsening global warming , producing non - biodegradable waste, and causing deforestation . the combined effect of human activity results in the destruction of ecosystems

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it is the background information on the characters and setting explained at the beginning of the story. the exposition will often have information about events that happened before the story began. the exposition is often the very first part of the plot.

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