Which of these molecules is not formed by the activity of the electron transport system. a.) nah+ b.) oxygen c.) fad d.) water

the cost of mining is extremely low compared to the money earned from mining, creating income to improve the environment.

the answer is true when observing or determining population size, a direct observation is use, in which each organism is counted in a population or in an area. one benefit of this measure is that you get the exact population count but it will take a long time to  determine  the  size  of a  population.