The answer is B. Genetic drift greatly affects small populations, but large populations can recover.
The volume of the cube of unknown substance is
. The length of one side of the cube is 9 cm
<u>Explanation:</u>
As per the formula of mass and density, Mass / Density equals to volume. Therefore as the mass of the cube was given to be 81 g and the density of the cube is known to be 3.0 g/
,, to help Bill find out the volume. It is the ratio of mass and density and can be calculated as

As it is a cube, the volume is product of length, breadth, and height. Here, all sides are same as it is the cube.



There are only so many resources that can be used and if all of them are used they don't have enough materials or food.