Question

1. new fuels are being produced by converting corn and grasses into compounds containing alcohols that can be broken down for energy in various engines. the purpose of this research is to

a. reduce the use of nonrenewable resources.
b. increase the rate of air pollution.
c. reduce the rate of homeostasis in organisms.
d. cause a loss of biodiversity in the rain forests.

41.

1. the presence of wastes, such as plastic bags and motor oil, in lakes and streams miles away from developed areas suggests that:

a. ecosystems are interconnected and human action can alter ecosystem equilibrium.
b. recycling programs have failed to conserve biotic resources.
c. natural processes can alter ecosystem stability.
d. direct harvesting practices have led to irreversible destruction of ecosystems.

Explanation:

Answer:

A. reduce the use of nonrenewable resources.
A. ecosystems are interconnected and human action can alter ecosystem equilibrium.