I think it’s c. less than one month
To prevent warping, thin, organic bonded wheels such as those used for cutting-off should be laid flat on a horizontal surface of steel or similar rigid material away from excessive heat and moisture.22 To minimise deterioration, wheels must be stored in a room which is dry and not subject to extreme temperatures.
Answer:
What was the problem with the velocipede?
It had no brakes or pedals.
What was the solution?
Pedals were attached to the wheels.
The writer of "Make Your Own Microscope" values portability more than the writer of "Stick to Real Microscopes."
<h3>What is portability?</h3>
Portability is defined as the ability to easily move an object without much difficulty.
The writer of "Make Your Own Microscope" values portability because the writer believed that smartphone microscopes are cheap, easy to make, and effective tools.
While the writer of "Stick to Real Microscopes." merely expressed his opinion about microscopes to readers.
Learn more about microscopes here:
brainly.com/question/820911
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