Which of the following is not a product of a complete combustion reaction of a hydrocarbon? A. energy
B. carbon dioxide
C. carbon
D. water

Which is not a source of noise pollution? a)airplanes b)acid rain c)machines d)cars

Two resistors r1 and r2 may be connected either in series or parallel across an ideal battery with emf ε. we desire the rate of energy dissipation of the parallel combination to be 8.75 times that of the series combination. if r1 = 105 ω, what are the (a) smaller and (b) larger of the two values of r2 that result in that dissipation rate?

Your science teacher brings in a speaker to talk to your class about climate change. during the session, students ask a few questions. which questions are related to the current evidence on climate change