The primary function of the humoral, or antibody-mediated, immune response is to control freely circulating pathogensIndicate the correct order of events for the mechanism of antibody-mediated immunityAntibodiesB-cellExtracellul ar antigenPlasma cell

Which of the following elements does soil need in the largest quantities to sustain plant life? a. copper b. iron c. nitrogen d. zinc

Explain why biological control methods are generally environmentally superior to chemical pest control methods.

How do temperature and salinity affect deepwater currents? they create changes in wind direction, moving denser water in the same direction as the wind and causing the deepwater circulation patterns found in the ocean. as temperatures and salinity levels of water increase, the water rises to the surface where it creates currents as it moves to colder regions. they create density differences that cause dense deepwater currents to flow toward the equator where they displace less dense, warmer water above them. they equalize the forces on undersea currents caused by the coriolis effect as they replace more dense water with less dense water.