Some types of storage tanks are exempt from the federal regulations on USTs, including A) tanks that store heating oil burned on the premises.
B) tanks that hold less than 200 gallons.
C) farm and residential tanks that hold 2,000 gallons or less of motor fuel used for noncommercial purposes.
D) all of these.

In 1980, alfa romeo introduced the first system to smooth a rough idle caused by ignition and camshaft timing changes.

Which is special about a dc circuit ? a. it has both series and parallel components b. it has only series or only parallel components c. charge moves in a single direction d. charge moves back and forth quickly

(a) calculate the number of electrons in a small, electrically neutral silver pin that has a mass of 10.0 g. silver has 47 electrons per atom, and its molar mass is 107.87 g/mol. (b) imagine adding electrons to the pin until the negative charge has the very large value 1.00 mc. how many electrons are added for every 109 electrons already present