Explanation:
Measurement system, any of the systems used in the process of associating numbers with physical quantities and phenomena. Although the concept of weights and measures today includes such factors as temperature, luminosity, pressure, and electric current, it once consisted of only four basic measurements: mass (weight), distance or length, area, and volume (liquid or grain measure). The last three are, of course, closely related.
The answer to number 9 is d
1. Reaction time becomes slower
2. Vision starts to go blurry
3. Speech is a little crazed and actions might be inappropriate.
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I think the right answer is hyposecetion which is b
