Which describes uniformitarianism?
a.
the rates of geologic processes slow down with time.
b.
geologic processes are different over time.
c.
geologic processes operating now are the same as those that operated in the past.
d.
the rates of geologic change increase with time.

What best describes lactic acid fermentation?

The picture shows a fishing technique called trawling. how might trawling affect marine biodiversity

Which is an advantage of having memory cells when a pathogen is encountered for a second time. a) the memory cells are what proliferate into clones of cells in response to the binding of an antigen. b) memory cells are vital to the primary immune response in that they immediately recognize pathogens even at the first encounter. c) memory cells are essentially effector cells that are short lived and attack antigens even without having a receptor specific to that antigen. d) it ensures that more lymphocytes with a receptor specific to a particular antigen will be present than in a host that had never encountered that pathogen.