No Evidence of Impact Craters Has Been Found on Venus

question 13

True/False

No evidence of impact craters has been found on Venus.

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Definitions:

Charles Darwin

A British naturalist of the 19th century best known for his contributions to the science of evolution, particularly the theory of natural selection.

Conditioned Stimulus

A conditioned stimulus is a previously neutral stimulus that, after association with an unconditioned stimulus, comes to elicit a conditioned response.

Salivates

The process of producing saliva, a digestive fluid, in response to the presence of food or the anticipation of eating.

Conditioned Stimulus

A previously neutral stimulus that, after becoming associated with an unconditioned stimulus, eventually comes to trigger a conditioned response in a subject.