Factors that influence the reaction rates of chemical reactions include the concentration of reactants, temperature, the physical state of reactants and their dispersion, the solvent, and the presence of a catalyst.
Source: Google
The experimental group is the group you change from the normal. the fertilizer group is experimental
D. An encyclopedia. Encyclopedias are trusted and have reliable information. I feel like this shouldn't be posted in biology though
As each order of consumers eat other organisms, energy that transfers decreases.