Mixture. a compound is 2 or more elements, so it can't be an element
The inflammatory disease of the central nervous system that attacks the myelin sheath is known as MULTIPLE SCLEROSIS
I hope it helps
Answer:
All plants, algae, and cyanobacteria which photosynthesize contain chlorophyll "a". A second kind of chlorophyll is chlorophyll "b", which occurs only in "green algae" and in the plants.
I’m pretty sure it’s the first option, if not I am so sorry.
