Choose the best explanation of the difference between evolution and natural selection.
A. Evolution is the idea that species change over time, and natural selection is a mechanism by which evolution takes place.
B. Natural selection is the idea that species change over time, and evolution is the idea that the species' food source also changes over time.
C. Evolution is the idea that species change over time, and natural selection is the idea that nature changes over time.
D. Natural selection is the idea that species change over time, and evolution is the idea that our world changes over time.

an active site is a region that is present on an enzyme where the reactants or the substrate molecules we can say bind and experience a chemical reaction. the substrate is basically a reactant whose concentration is changing and that is converting into a product after binding at the active site of an enzyme

affects the water bodies: excessive use of fertilizers causes eutrophication. the fertilizers which are used on plants affect the quality of land on which it is used, further causing erosion of soil. the fertilizers used on plants contain harmful chemical fumes which affect the environment.

her next move would be to use agarose gel electrophoresis to separate the dna molecules of varying length and create a dna fingerprint.