Explain why ozone in the atmosphere is necessary for life on earth.
What will be an ideal response?
Ozone absorbs ultraviolet radiation. Excessive UV radiation would be damaging to life on earth.
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Central heating systems and central air-conditioning make the growth of interior plantings easier than if they were grown outdoors
Indicate whether the statement is true or false
To prevent blowing the meter fuse in a DMM ____________
A) Never test resistance of an energized circuit B) Install a fuse in line with the meter lead C) Both A and B D) Neither A nor B
Cabin filters can be replaced and are located by an access panel ________
A) Under the hood B) Under the dash (usually behind the glove box) C) Under the vehicle D) Either A or B
An object has a very small internal portion dimensioned on a print. Given only this information, which of the following is a viable option for dimensioning the small portion of the object?
A. A broken out section can be used, and the dimensioning placed at the object itself. B. A conventional break can be used to isolate the small portion of the object so that it can be dimensioned. C. An alternate removed section can be used with the removed section scaled up and dimensioned. D. both a and c E. none of the above