An action potential travels more quickly down an axon if the axon is

A. not myelinated.
B. thicker.
C. longer.
D. thinner.


Answer: B

Environmental & Atmospheric Sciences

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The fossil record contained in Cenozoic rocks is more complete because ____

a. there have been no extinction events b. climate has been stable c. the rates of plate movement have slowed d. more animals had hard parts e. the rocks are more accessible and have not been deformed

Environmental & Atmospheric Sciences

In raster data query, rasters, not fields, are used in the operand.

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

Environmental & Atmospheric Sciences

The Appalachian Mountains were formed when the North American continent collided with Africa to form the supercontinent Pangaea over 250 million years ago. What kind of tectonic boundary existed here?

What sort of structural features would you expect to find in this region? What will be an ideal response?

Environmental & Atmospheric Sciences

Avian dinosaurs survived the Mesozoic extinction and continue to persist and survive in the present day Cenozoic

a. True b. False

Environmental & Atmospheric Sciences