A) moves substances across the cell membrane
The correct answer for this question would be option A. The one that is considered not a logical pairing <span>of another environmental factor that will possibly affect the bluegill population with how that factor would affect it is the ACID RAIN. The rest are considered as factors that would affect the population of the bluegill. Hope this answer helps.</span>
There are 4 thing that need to happen for natural selection to occur:
1) reproduction
2)heredity
3)variation in fitness or organisms
4)variation in individual characters of the population.
<span>The elements that are found in a high proportion in Earth's crust are oxygen, aluminium, iron, calcium, potassium, sodium, and magnesium. But for your Option, I think it is B) Oxygen and Silicon. This is because Oxygen makes 46.6% while Silicon makes 27.7% of the Earth crust.</span>
By diffusion. Letter c.
Diffusion occurs when the smell of the bread "sticks" to the air and if the air travels from a room to another, the smell will go with it.
Hope it helped!
