A lower 18O /16O ratio in ocean core sediments is indicative of warmer temperatures, whereas a lower 18O /16O ratio in ice cores is indicative of cooler temperatures

Indicate whether the statement is true or false

TRUE

Environmental & Atmospheric Sciences

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A tetrapod is a(n) ____

a. extinct dinosaur species b. reptile with four legs c. flying mammal d. type of fish e. four-legged vertebrate

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Environmental & Atmospheric Sciences

A polar jet is a belt of winds about 600 miles wide, flowing as fast as ________ in its central "core."

A. 400 km/hr B. 4 km/hr C. 40 km/hr D. 4,000 km/hr E. half of the speed of light

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Environmental & Atmospheric Sciences

________ metamorphism takes place at considerable depth underground (generally greater than 5 km).

A. Burial B. Contact C. Regional D. Hydrothermal E. Shock

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Environmental & Atmospheric Sciences

Surface salinities at high latitudes tend to be greater in summer than winter.

Answer the following statement true (T) or false (F)

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Environmental & Atmospheric Sciences