Plz will upvote< 3
which safety rule is most important when smelling the product of a chemical reaction?

question 5 options:

hold with tongs

use a wafting motion

wear closed-toed shoes

keep nose directly above open container

the most logical answer would be a

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.

some scientists like gregory adcock agree with thorne's theory of regional continuity.

others, like chris stringer and ian tattersall, believe thorne's results may be contaminated or misinterpreted.