Why are adult mealy bugs and scales hard to kill with insecticides?
What will be an ideal response?
Because they are protected with a wax-like coating that keeps contact pesticides from reaching them
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The ____ type connector has become very popular for connecting fiber optic cables because it offers excellent alignment and has less back reflection than other types of connectors.
A. photodiode B. threaded C. push-pull D. bayonet
A band joist, or ____, is bolted to poles when constructing pole buildings.
A. foundation B. wracking C. sheathing D. header
A vehicle designed for premium grade fuel has been filled with regular grade gasoline. What engine sensor allows the PCM to compensate for the lower octane of the regular gasoline?
A) Octane sensor B) Fuel sensor C) Crank sensor D) Knock sensor
Technician A says that intake manifolds are always made of metal. Technician B says that some intake manifolds are constructed in two parts or sections, upper and lower. Who is right?
A) Technician A only B) Technician B only C) Both technicians A and B D) Neither technician A nor B