Determine the part of speech for the italicized word in the sentence below.
in his new lime green mustang, brad sped (down) the street into the police radar trap.
adverb
conjunction
intensive
preposition
verb

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

plz mark as brainliest

if

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b. brooks wrote about the same type of neighborhood in which she grew up.