Answer: A, burning fossil fuels
I'm not sure if this is correct, but the answer I got was: endoplasmic reticulum.
I hope this helps, and have a good night! :D
Because it's lighter, flexible, and lastly it's easily to heal. Hope this helps! :D
First one is C) A phosphate group is added, and the second is D) Kreb's cycle
The limiting factor on the population of Arctic foxes is density-dependent. In population ecology, density-dependent processes happen when population growth rates are regulated by the density of a population. Density-dependent factors are factors where the effects on the size or growth of a population vary with the density of the population itself.