Which of the following is a major component of saliva?
A) a-amylase
B) b-amylase
C) debranching enzyme
D) none of these
A
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Where will you find a riparian zone?
A) In an area that has been heavily eroded because of the removal of vegetation B) Along a waterway C) Between topsoil and the water table D) In an aquifer
Compared to continental air masses with the same air temperature, maritime air masses:
A) have lower water vapor content. B) have about the same water vapor content. C) have higher water vapor content.
Express the kinetic energy [1?2 (mass)(speed)2 ] of a car with a mass of 1,200 kg moving at a speed of 100 km/h. First, you need to convert the speed from km/h to the fundamental units of m/s. Show the conversion steps. (Note: We explain the concept of kinetic energy in Chapter 3.)
What will be an ideal response?
On this map of southeastern Asia and adjacent areas, which site would have earthquakes along a continental collision?
A. 1, in the Indian Ocean B. 2, in Tibet C. 3, near Japan D. 4, near the Tonga island arc