The combination of a chemical reaction through which an organism builds up or breaks down materials as it carries out its life processes is called

c. live where it’s cold and icy

the "power" of a lens is its resolution power, or its ability to distinguish between to closely located points. with the low power lens, it is likely you will see the rough form of the hay and maybe some movement of dots around the hay. however, when observed with the high power lens, the detailed features of the hay become visible and the microbes being grown are more clearly visible.

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