is compared to the number of boulders rolling down the hill and is measured in . First right gets brainliest:)

Which is the best for showing percentages of different types of cars sold(gas hybrid , electric , other ) in the united states ?

Examine the equation. 23490th→23088ra+42he what kind of barrier would you need to block the radioactive particles from this reaction? a.a piece of paper b.a sheet of aluminum foil c. a two-inch block of lead d. a solid concrete block

Which of the following forces require physical contact? tension air resistance friction magnetic force applied force