They are replaced by ExpressCard
Answer:
When data is written to a WORM drive, physical marks are made on the media surface by a low-powered laser and since these marks are permanent, they cannot be erased. Rewritable, or erasable, optical disk drives followed, providing the same high capacities as those provided by WORM or CD-ROM devices.
Explanation:
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The answer is (c.) synthetic rubber
The impeller pump in some outboard motor is made of synthetic rubber. The purpose of the impeller in the motor is for the cooling. It is used to pump the water to the engine from below. It has a standard design and it only uses rubber as the material.
Answer:
I'm a little confused on what you are asking, could you please explain.