M What do the symbols tell you
of the reactions shown to the right? Check all of
the boxes that apply.
The products and reactants of both reactions
are gases.
Reaction 1 occurs at high pressure.
Reaction 2 makes a small amount of an
additional product.
A catalyst is used for reaction 2.

The human activities in two locations are described below: location a: rampant use of plastic containers location b: excessive use of pesticides and fertilizers which statement is most likely true? location a will have poor air quality because plastic is biodegradable. location a will experience water scarcity because plastic absorbs moisture. the population of honeybees will increase in location b because production of crops will increase. the population of fish in location b will decrease because the water is contaminated.

28. which is not a reason that water is used to store spent fuel rods from nuclear power plants? water increases the speed of the chain reaction in the fuel rods. water protects nuclear power plant workers from the high temperature and radiation of the fuel rods. water acts as a radiation shield to reduce the radiation levels. water cools the spent rods. salts action

Why is the bottom layer of a trophic pyrimid the