Oxygen Can Be Exchanged More Easily in Air Than in Water

question 20

Multiple Choice

Oxygen can be exchanged more easily in air than in water because

• A) the oxygen content of air is higher than that of water.
• B) oxygen diffuses more slowly in water than in air.
• C) more energy is required to move water than air because water is denser.
• D) Both a and b
• E) All of the above

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Definitions:

Seek Time

The time it takes for the hard drive’s read/write heads to move over the surface of the disk to the correct track.

Latency

The delay before a transfer of data begins following an instruction for its transfer; it is often used to describe delays in network communication.

L1 Cache

The first level of cache memory in a computer, closest to the processor, designed to supply the processor with the most frequently requested data and instructions.

Registers

Special memory storage areas built into the CPU, which are the most expensive, fastest memory in your computer.