When using sunscreen it should have a sun protection factor of at least ________ to help protect against damage from the sun.
A. 15
B. 20
C. 25
D. 30
Answer: D
Trades & Technology
You might also like to view...
The best mowing height for St. Augustinegrass depends on the cultivar that is grown, but most are cut to_________ inches
A) 0.5 to 1.0 B) 1.0 to 1.5 C) ?2 to 4 D) 3.5 to 4.5
Trades & Technology
The water quality required to maintain the water level in the sump is called ____________________.
Fill in the blank(s) with the appropriate word(s).
Trades & Technology
The ac value that is equal to the same dc heating effect is usually called:
A) rms value. B) average value. C) peak value. D) heat value.
Trades & Technology
Hot-surface igniters typically operate on:
A) 10,000 V. B) 240 V. C) 24 V. D) 120 V.
Trades & Technology