Which of the following statements are true?
check all that are true.
continental drift...
Which of the following statements are true?
check all that are true.
continental drift theorizes that there was once a supercontinent named pangaea.
plate tectonics theorizes that the lithosphere is one solid, unbroken mass.
both theories conclude that earth's plates moved in the past and are now in their permanent place.
both theories conclude that earth is constantly in some state of motion.
Answers: 1
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The first atomic explosion was detonated in the desert north of alamogordo, new mexico, on july 16, 1945. what percentage of the strontium-90 ( yr) originally produced by that explosion still remains as of july 16, 2016?
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Which of the following characteristics define a state? check all that apply. a. a population of people b. a sovereign government that determines how a group of people is ruled c. an army, military, or police force d. a territory with set borders
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