The answer to finish this sentence would be ''the amount of genetic variation in a population'' because environmental factors can either increase or decrease a population.
Answer:
Explanation: The reactivity of metals increases as you move left in a period and as you move down in a group, so Marie needs to know the period and group of the element inside each box. Boxes that show locations in groups 1 or 2 or in period 8 contain the most reactive elements.
Algin<span> is a chemical taken from brown seaweeds. It is used to make medicine. </span>Algin<span> is used to lower cholesterol levels and to reduce the amount of heavy chemicals including strontium, barium, tin, cadmium, manganese, zinc, and mercury that are taken up by the body</span>
The correct answer is
<span>C.Predator-Prey </span>
Answer:
Gray eyes may be called “blue” at first glance, but they tend to have flecks of gold and brown. And they may appear to “change color” from gray to blue to green depending on clothing, lighting, and mood (which may change the size of the pupil, compressing the colors of the iris