What evidence did Wegener use to support his hypothesis of continental drift?
A) sea-floor spreading
B) paleoclimatic data
C) polar reversals
D) transform fault boundaries
Answer: B
Physics & Space Science
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How big is Earth on the 1-to-10 billion scale described in Section 1.2?
What will be an ideal response?
Physics & Space Science
An object of mass 0.50 kg is transported to the surface of Planet X where the object's weight is measured to be 10 N. The radius of the planet is 4.0 × 10^6 m. What is the mass of Planet X? (G = 6.67 × 10^-11 N × m2/kg2)
a. 13 × 10^19 kg c. 9.6 × 10^24 kg b. 17 × 10^22 kg d. 4.8 × 10^24 kg
Physics & Space Science
The energy equation for flow between two parallel plates, neglecting flow in the ydirection, is
Physics & Space Science
Which of the following types of electromagnetic radiation has the lowest energy?
a. x-rays b. visible light c. ultraviolet d. gamma-rays e. infrared radiation
Physics & Space Science