Answer:
presentation.
Explanation:
When a macrophage encounters a free-floating pathogen, it phagocytizes it, breaks it down into pieces, then displays the pieces on its cell surface using a certain protein molecule. Displaying pieces of a pathogen in this fashion is called antigen presentation.
Answer:
in the 1920's people payed for everything with credit cards, but in the '30's they didn't have the money to pay back. plz give brainlieast?
Explanation:
Neutral
per quizlet....look up global business environment
Answer:
B, C, and D
Explanation:
Abiotic factors are nonliving things like rocks, water and soil.
Because this picture has trees and or plants this has biotic factors, ecosystem and biosphere
Answer:
North
Explanation:
Much of the North was industralized and had banned slavery so they believed in a central gov. The south on the other hand was more farming based and they believed in state gov