I think they are all biotic factors..hmm if not take out whichever sounds the most not fitting.
Explanation:
diffusion is movement of molecules from a region of higher concentration to a region of lower concentration
2a)molecules will be moving out of the cell
b)molecules will be moving into the cell
3i)molecules will be moving into the cell
ii)molecules will be moving out of the cell
iii)there is no movement since concentration is equal inside and outside the cell
The signs and symptoms of a cluster headache include severe<span> right-sided headache with a runny nose, droopy eyelids, and tearing of the eye on the right side.
</span>The injectable form of sumatriptan<span> (</span>Imitrex<span>), which is commonly used to treat a migraine, is also an effective treatment for acute cluster headache</span>
Answer:
between 20,000 and 25,000
