While studying the ocean floor, scientists found bands of magnetism that proved Wegener's theory of continental drift. a. plastic
b. no
c. alternating
d. rectangular​

Which of the following can be effective in preventing the onset of viral infection in humans? a) taking vitaminsb) getting vaccinatedc) taking antibioticsd) taking drugs that inhibit transcription

Which food preservation method can people use at home? a. fermentation b. irradiation c. pasteurization d. thermal processing

Scientists believe that differences in cause hot, plastic-like rock in the asthenosphere to rise toward earth's surface. a. density c. weight b. magnetism d. composition select the best answer from the choices provided