No. If I count the number of tiny blue eggs in a Robin's nest, that's a quantitative observation.
Answer:
With a tape measure.
Explanation:
We can use a big tape measure, this tape is in the market and we can use the one with the proper length that lets us measure different sections of the total length of the pool.
Answer:
the correct answer is D.) 2,4
The resistance of an ohmic material is given by

where l is the length and a is the cross sectional area. For a circular wire, this area is that of a circle:

Then solving for diameter, d:

I have done this assignment before so I can tell you the more length that hangs over the table, the less vibration there is due to lack of tension.