Computer models predict:
A) the rate of warming will double over the next 30 years.
B) the rate of warming will decrease by half over the next 30 years.
C) the rate of warming will remain constant over the next 30 years.
D) the rate of warming will stop after 30 years.
Answer: A
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Which of the following is not one of the three types of tectonic activity that causes orogensis along convergent boundaries?
A) oceanic plate-continental plate collision B) oceanic plate-oceanic plate collision C) continental-plate—continental plate collision D) oceanic plate-continental plate collision, oceanic plate-oceanic plate collision, and continental-plate—continental plate collision are all correct.
The zonation of flora and fauna along an altitudinal transect similar to that found along latitudinal transects is known as the
A) altitudinal zonation principle. B) altitude-latitude hypothesis. C) limiting factor. D) the life zone concept. E) vegetation similarity theory.
While Earth is estimated to be 4.6 billion years old, the oldest oceanic crust is approximately ________ years old
A) 1 billion B) 6,000 C) 2.5 billion D) 865 million E) 200 million
Which of the following best describes the source of Earth's internal heat?
A. Internal friction & and heat generated by tidal forces. B. The sun and radioactive decay in Earth's interior. C. Internal friction and the sun. D. Internal friction and radioactive decay in Earth's interior. E. The sun and residual heat from the planet's formation.