Organic evolution is predictive, supported by a multitude of evidence, and offers a good explanation of observed

phenomena. Organic evolution, therefore, is considered a ____.
a. hypothesis
b. law
c. theory
d. unifying concept
e. working model


c

Environmental & Atmospheric Sciences

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The following statement describes which subatomic particle best?It is a nucleon.

A. an electron B. a proton C. a neutron D. A and B E. B and C

Environmental & Atmospheric Sciences

A functional region __________.

A: is a helpful concept in understanding a cultural region such as where certain languages are spoken B: is also known as a perceptual region C: has a central focus that diminishes in importance moving outward D: is increasingly important in understanding regional geography because of technological advancements E: is useful in understanding regions in the United States that are likely to vote for a Republican presidential candidate, for example

Environmental & Atmospheric Sciences

In the Arctic, what is the top of a permanently frozen layer called?

a. talik b. permafrost c. permafrost table d. active layer e. laterite

Environmental & Atmospheric Sciences

The solar radiation we receive on Earth is the result of ________.

A. nuclear fission as carbon is split into any number of smaller atoms B. the oxidation of combustible material within the Sun's core C. the nuclear fusion of hydrogen into helium D. nuclear fission as helium is split into hydrogen E. the nuclear fusion of iron into hydrogen

Environmental & Atmospheric Sciences