In the scientific method, a hypothesis is a(n)
a. observation
b. measurement
c. test
d. proposed explanation
Answer: d. proposed explanation
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Which of the following is the name for the large thermally driven convection cell that is driven by convection along the equator?
A. El Niño cell B. Hadley cell C. Ekman spiral D. Ferrel cell
The high speed needed to put a satellite in circular orbit is to
A. attain a path that matches Earth's surface curvature. B. get it above Earth's gravitational field. C. both of these D. none of the above
The Alpine orogeny was caused by
a. the collision of the African plate with the Arabian Plate. b. the collision of the African plate with the Australian plate. c. the collision of Africa and Arabia with Eurasia. d. the collision of India with Asia. e. none of the above
Looking at a mountains slope in the Intermontane on what part of the slope would you expect to find trees?
A) Higher up on the slope B) At the foot of the slope C) Lower on the slope D) Trees only grow at low elevations in the Intermontane