6. The human lung is a very good example of a surface which enables aerobic respiration to occur efficiently in body cells. Discuss how it is structured to carry out this important
function.

velocity and height

rain is the best answer

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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the answer would be d : p