Which statement correctly describes the immune system of a person with aids

it uses only the humoral response
it has many memory cells
it has more antibodies than it can use
the number of t cells is low

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.

Models are non-visual ways of coummincating how someone thinks about something in the natural world

Diagram of the evolution of land plants?