Scientists use ________ to study past climates, using ________ to reconstruct climates that extend back further than our present instrumentation allows

A) direct measurements; historical records B) proxy methods; climate proxies
C) indirect evidence; conjecture D) computer models; algorithms


B

Environmental & Atmospheric Sciences

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Which of the following is true about the Ogallala aquifer?

A. It is a confined aquifer so is replenished as fast as water is used. B. Water levels are dropping primarily because of overpumping. C. It was featured in the movie A Civil Action. D. None of these.

Environmental & Atmospheric Sciences

Cretaceous marine transgressions onto the continents were caused by

a. high sea level during interglacial times. b. inflated oceanic crust due to active seafloor spreading. c. subsidence of landmasses. d. choices A and C e. choices B and C

Environmental & Atmospheric Sciences

What type of volcano is Mount St. Helens and what caused the explosion?

A. It is a stratovolcano that exploded when trapped gasses were quickly released. B. It is a shield volcano that exploded when trapped gasses were slowly released. C. It is a stratovolcano that exploded when trapped gasses were slowly released. D. It is a shield volcano that exploded when trapped gasses were quickly released.

Environmental & Atmospheric Sciences

A(n) ________ shoreline is one with numerous estuaries

A) emergent B) compound C) ria D) coral E) atoll

Environmental & Atmospheric Sciences