Burning fossil fuels releases oxides of sulfur and nitrogen. these air pollutants can be responsible for question 5 options: a. precipitation with a ph as low as 3.0. b. the increase of fish populations in lakes. c. air that tastes great, but is less filling. d. preventing eutrophication. e. biological magnification of toxins.

Ineed to know why d is the correct answer asap

1. environmental factors, such as ph and temperature, can affect the function of an enzyme. a. true b. false 2. which of the following is an organic molecules (ex. vitamins) that an enzyme? a. coenzyme b. product c. active site d. substrate 3. how do enzymes effect the speed of a chemical reaction? a. they speed it up b. they slow it down c. they have no effect on the speed of a reaction 4. during a chemical reaction, an enzyme is used up so that it can only be used one time. a. true b. false 5. which of the following results from a chemical reaction that is catalyzed by an enzymes? a. active site b. product c. substrate d. coenzyme

The cluster of developing cells from conception until birth is called an