Question Not yet answered Points out of 1.00 Critics rejected the continental dr

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Question Not yet answered Points out of 1.00 Critics rejected the continental drift hypothesis because they found no "tracks" from movement of the continents across the surface. This is an example of: Select one: Flag question a. Not science b. Hypothesis testing C. A hypothesis becoming a theory d. Creating a hypothesis Question 55 Not yet answered Points out of 1.00 What is the period of a wave that is 200 m long and moving at 10 m/s? Select one a. 20 seconds b. 0.05 seconds c. 5 seconds d. 2000 seconds e. It depends on the water depth Flag question Question 56 Not yet answered Points out of 1.00 Because the residence time of atmospheric CO2 is 3.4 yr, the CO2 we emit has very little effect on atmospheric C02 levels Select one: Flag question a. True b. False

Explanation / Answer

Question No. 54

Critics rejected the continental drift hypothesis because they found no "tracks" from movement of the continents across the surface. This is an example of hypothesis testing.

Question 55.

Period = wavelength/velocity

= 200 / 10

= 20 seconds

Question 56

True, The residence time of atmospheric C02 is 3.4 yr , the C02 we emit has very little effect on atmospheric C02 levels

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