Choose the most appropriate name for the function described below The height reached by the rocket depends on the amount of fuel A. Height(fuel),or H{f}
B. Fuel{height},or F[h
C. Fuel{rocket) or F{r}
D. Height{rocket}or H[r}

answer: 21

step-by-step explanation:

divide 630 by 30. 30 goes into 630 21 times

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.