<span>Commensalism is an interaction in which one of those species would benefit, and the other one would not be affected. Parasitism is an interaction in which one of those species would benefit at the expense of the host organism. Thus, in commensalism we have one positive and one neutral result while in parasitism we have one positive and one negative result.</span>
The process of DNA replication occurs just before S phase. In the interphase, the cell has growth and replication of DNA is getting made. In the G1 phase, there is the growth, (G1-checkpoint - cell size, growth, environment shows cell is ready to start replicating DNA. S phase- DNA is replicated.
I think it D.100% because the air has reached its limit
There are quite a few ways that seeds can be dispersed. A few examples could be by wind (like dandelions), water (like water lilies or coconuts), or animals (through friut eaten by birds or other animals).
Acid rain, if I understand the question correctly.