For Which of the Following Groups Is Diversity Higher Today

question 140

Multiple Choice

For which of the following groups is diversity higher today than in the Cretaceous period (145 to 166 million years ago) ?

• A)angiosperms
• B)conifers
• C)ferns
• D)gnetophytes

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Definitions:

Decelerometer

Measures the change in angle of a chassis when it is subjected to aggressive braking. This angle is also known as load transfer, dynamic pitch.

Inclinometer

Used to make angular measurements on driveline components and drivelines; may use a liquid level, laser, or electronic operating principle.

Chassis

The base frame of a vehicle but the term is often used to describe the complete vehicle.

Friction Facings

Materials attached to the surface of clutch and brake components to enhance friction and improve the transfer of force.