What system attacks the polio virus

The mitochondrion functions lipid storage protein synthesis photosynthesis dna replication atp synthesis

How does the author's purpose in this passage differ from an author writing about her personal struggle living with asthma?

Which excerpt from the land, part 4 best supports the claim that paul is a talented horseback rider? a/“figure that says more than anything else! now, i want to ride that stallion! " b/my daddy shook his head. "paul only rides horses he knows. ” c/? i glanced over at the other rider. the fellow was older than i, and had the weight of a man on him. d/a man out of alabama, man name of ray sutcliffe, told my daddy i was such a good rider, he wanted me to ride some races for him.