How Long Ago Did the First Gymnosperms Evolved

question 1

Multiple Choice

How long ago did the first gymnosperms evolved?

• A)36 thousand years ago
• B)360 thousand years ago
• C)36 million years ago
• D)360 million years ago

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Definitions:

Self-Supporting Run-Flat

A tire design that allows a vehicle to continue to be driven for a limited distance with no air pressure due to reinforced sidewalls.

Support Ring

A ring-shaped component used to reinforce or secure the position of another part within a system.

Tire Size Markings

Notations on a tire sidewall indicating its dimensions, load capacity, speed rating, and other characteristics.

Indirect TPMS

Type of Tire Pressure Monitoring System that uses wheel speed sensors of the anti-lock brake system to monitor the relative rotational speed of the tires to infer pressure loss, rather than measuring the pressure directly.