What organisms in the biosphere are affected by smog?

plants only
animals only
plants and animals
none

An alaskan spruce forest will burn easily once burned the forest regenerates fairly wuickly which statement best describes haw an alaskan spruce forest reacts to fire? it is resilient

Si units are the modern form of the

Are humans interfering with or a part of evolution happening today? find examples of evolution seen in recent history that could be caused by human activity.