According to Barry Commoner, there are Four Laws of Ecology. Explain how his laws govern the way nature does - and humans should - use energy and material resources in
order to protect biodiversity. The Four Laws of Ecology
a. Everything is connected to everything else.
b. Everything must go somewhere.
c. Nature knows best.
d. There is no such thing as a free lunch.

What are the two causes of density in deep current waters? a. salinity (how much salt) of the water and high temperaturesb. salinity (how much salt) of the water and low temperatures c. oxygen content of the water and high temperatures. d. oxygen content of the water and low temperatures

In what part of the body does the most muscle activity happen?

Graded assignment lab report answer the questions below. which combinations of substances resulted in a chemical change? for each metal that participated in a chemical change, write the type of metal it is, based on your examination of the periodic table. were there any metallic compounds that did not react with either the acid or the base? write the type of metal, based on your examination of the periodic table. make a general statement about the reactivity of the metals in this experiment.