Is the mining of minerals worth the destruction that we cause mother Earth?

The concept of keystone species is controversial among ecologists because most organisms are highly interdependent. if each of the trophic levels is dependant on all others how can we say one is most important

What is one way intensive agriculture can contribute to climate change? a. tree loss to agriculture increases earth's albedo b. livestock manure absorbs greenhouse gases c. large herds of livestock release greenhouse gases d. fewer trees are available to replenish petroleum stores appex

In general, characteristics that an organism survive and reproduce become more common in a population over time. what mechanism of evolution cause this change?