The percentage of the Earth's surface that is covered by water is about:a

10%.
b. 30%.
c. 50%.
d. 70%.
e. 100%.


D

Environmental & Atmospheric Sciences

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The fact that older fossils are more unlike living organisms implies that old forms of life died out and that new forms of life have developed is known as ________.

A. law of superposition B. law of faunal succession C. law of original horizontality D. law of inclusions

Environmental & Atmospheric Sciences

The iron content in oceanic rock allows geologists to determine its age. What term describes this approach and other findings?

A. sea floor spreading B. paleontology C. oxygen-isotope analysis D. paleomagnetism E. continental drift

Environmental & Atmospheric Sciences

Relative humidity tells us: a. how close the air is to being saturated

b. whether it is raining. c. how much water vapor is in the air. d. the dew point temperature.

Environmental & Atmospheric Sciences

A(n) ____ thermometer consists of two different pieces of metal (usually brass and iron) welded together to form a single strip

a. thermograph b. bilateral c. electrical d. thermoresistant e. bimetallic

Environmental & Atmospheric Sciences