Wilderness is land that is undeveloped by humans. scientists estimate that a wilderness area needs to be at least 1,500 square miles in order to a)be sufficiently unaffected by air, water, and noise pollution from nearby human activities b)have enough plants to feed animals c)be cost effective d)proceed with secondary succession

A)be sufficiently unaffected by air, water, and noise pollution from nearby human activities

Explanation:

A wilderness is a place where the land is uncultivated and uninhabited region away from the human touch. It is wild land far from the human society and is a homeland of various animals and plants and herbs. It is a forest land which is undeveloped by human beings. It should sufficiently large enough where various animals can live and plenty of tress can grow. And it should be untouched and unaffected by any contamination or pollution caused by human activities. Thus scientist estimate that the wilderness area should be atleast 1500 miles square in area in order to

A)be sufficiently unaffected by air, water, and noise pollution from nearby human activities

high growth (apex)