The average salinity of typical seawater is ________

A) 0.35%
B) 2.0%
C) 3.5%
D) 10%
E) 25%


C

Environmental & Atmospheric Sciences

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If you mix a typical iodine ion (I, atomic no. = 53) with a typical barium ion (Ba, atomic no. = 56), what compound is formed?

A. BaI2 B. Ba2I2 C. Ba2I D. Ba56I53 E. BaI

Environmental & Atmospheric Sciences

Given that the top of this paper is north, what is the wind direction represented by this arrow?



A) Southeast
B) East
C) Northwest
D) Northeast

Environmental & Atmospheric Sciences

Most scientists believe that volcanism has played a major role in the depletion of the ozone layer in Earth's stratosphere

Indicate whether the statement is true or false

Environmental & Atmospheric Sciences

As the temperature of an object ____, the intensity of the radiation emitted by the object ____

A) increases; increases B) increases; decreases C) decreases; stays the same D) decreases; increases

Environmental & Atmospheric Sciences