GEOLOGY

Detailed explanation-1: -A forest is a mature ecosystem. It has trees of different sizes and ages, many other plants, and lots of animals. A forest is a renewable resource but it takes much more time to grow a forest than to grow a stand of trees.

Detailed explanation-2: -The biosphere’s carrying capacity for humans can be found by calculating habitat fragmentation. Ecologists studying the thinning of the ozone layer determined that the main cause of the problem is global warming.

Detailed explanation-3: -What is the distinction between a zone of tolerance and limiting factors? a. Limiting factors are biotic or abiotic factors that limit the growth of a species, while the range of tolerance defines the set of conditions in which an organism can survive.

Detailed explanation-4: -Large amounts of sewage cause a lot of algae to grow, which lowers the concentration of carbon dioxide in the water. Carbon dioxide is helpful when it is high in the atmosphere, but is harmful to human health when it is close enough to the ground for people to breathe.