Which type of cells produce antibodies?
A) A cells
B) NK cells
C) plasma cells
D) T cells
C
You might also like to view...
What happens to the land surface when large ice sheets melt away?
A) It subsides because there is less ice on top. B) The land surface remains unchanged but seems lower because of the loss of ice. C) The land flexes upward due to isostatic rebound. D) The land rises because the rocks are warmer without the ice.
Major eruptions of volcanoes emit large amounts of CO2 and CH4, but their total contribution to atmospheric levels is small
a. True b. False
A stream generates its own floodplain by
A. sediment deposition during flooding. B. sediment deposition during meander migration. C. erosion during meander migration. D. All of the choices are correct.
In what year did uranium oxide production peak in the United States?
A. 1960 B. 1970 C. 1950 D. 1980