What would be the independent variable in the following hypothesis?
if sea turtle sickness is related to red tide, then an increase in red tide will result in an increase in sea turtle sickness.

9. wind power creates pollution. water air soil noise

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.

What is the correct term for an area of rotating currents in an ocean? when ocean currents combine, they create an area of rotating currents called an