Both animal and plant sources depend on ultraviolet light to make a form of vitamin D.
Answer the following statement true (T) or false (F)
True
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The first cans used for food preservation were sealed with:
a. plastic c. rubber b. metal d. lead
One advantage of digital meters is:
A) They are preferable for fluctuating readings. B) There is no need to interpret the scale. C) They cannot be damaged by improper use. D) They do not require batteries like analog meters do.
Why does a resistive load increase the bandwidth of a given band-pass filter?
A) The resistance decreases the quality of the circuit. B) A resistive load actually decreases the bandwidth. C) The resistance increases the quality of the circuit. D) not enough information
Cooling thermostat contacts close on temperature rise.
Answer the following statement true (T) or false (F)