Water in the air combines with to form acid rain.
A. sucrose
B. hydrochloric acid
C. skittles
D. sulfur dioxide

Which is an example of gaining a static charge by conduction? a) rubbing a balloon against your hair. b) shuffling your shoes across a carpet. c) bringing a charged rod near an electroscope. d) touching your car on a cold day and getting a shock.

Determine the maximum r-value of the polar equation r =3+3 cos 0

Yvette hangs a 2.4kg bird feeder in the middle of a rope tied between two trees. the feeder creates a tension of 480 n in each side of the the rope.