An infection in the body might result in a sudden
(1) decrease in the activity of antigens produced
by the mitochondria
(2) decrease in the amount of dna present in
the nuclei of cells
(3) increase in the activity of white blood cells
(4) increase in the number of red blood cells

The hypothesis of continental drift states that earth's continents, which are located on tectonic plates, move relative to each other. which of the following is true of the movement of the tectonic plates? a. tectonic plates only move once every million years. b. they move at a rate of approximately 5 centimeters per year. c. tectonic plates never move, only the continents located on them do. d. their movements are very rapid and occur at random times.