Which of the following is correct regarding continental drift?

A) It occurred about two billion years ago, but no longer occurs today.
B) The term "continental drift" is now called plate tectonics.
C) It does not occur because the crust is brittle.
D) It is an old theory that has been essentially disproven.


B

Environmental & Atmospheric Sciences

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The wind-chill index takes into account the wind speed at about ____ above the ground instead of the where official readings are usually taken

a. ?10 m (33 ft) b. ?5 m (16.5 ft) c. ?100 m (330 ft) d. ?1.5 m (5 ft) e. ?15 m (50 ft)

Environmental & Atmospheric Sciences

According to the lock-and-key model, in order for a drug to bind it must have the proper

A. conformation. B. configuration. C. functional groups. D. all of the above

Environmental & Atmospheric Sciences

Peak frequency as noted on a radiation curve is directly proportional to the

A. temperature of the emitter. B. frequency of waves emitted. C. temperature of emitted radiation. D. wavelength of waves emitted.

Environmental & Atmospheric Sciences

According to the planetary management environmental worldview

a. We have an ethical responsibility to be good stewards of the Earth. b. Resources are limited and should not be wasted. c. We should manage nature to meet our needs. d. Resources are limited and should not be wasted. e. Our success depends on learning how nature sustains itself.

Environmental & Atmospheric Sciences