I think the statement “the human digestive system is very efficient at squeezing everything it can out of any food?" refers to the way the stomach is good at absorbing the wanted nutrients and keeping them in the body, while disposing of the unwanted waste and toxins. The biomolecules are broken down to preserve only certain nutrients within the molecules.
B. Sunlight doesn't reach the bottom of lakes..
Anything that is considered alive must exhibit ALL 7 characteristics of life. A virus may show some characteristics, but it does not show all, so therefore, its not alive.
The correct answer is FALSE.
It is false that the only factions which disagree with each other is economists and environmentalists.
Economists are referred to as practitioners which are found in the social science and their work is to discipline economics.
A person can develop, study and apply some concepts and theories from economic.
Environmentalists are termed as supporters who supports the movement of the environment.
There is a ethical movement of the movement or political which works to protect and improve quality of environment which is natural.
Environmentalist believes in environmentalism philosophy.