Which of the following is a way humans have impacted the rainforest, but not the tundra?

A jar contains 30 mL of glycerin (mass=37.8 g) and 60 mL of corn syrup (mass=82.8 g). Which liquid is on the top layer? Explain your answer.

State two uses of total internal reflection

Identify two factors that determine the intensity of sound

A ball is thrown straight up and reaches a maximum height of 35m. Using 9.8m/s squared as gravity, what was the initial speed of the ball?

Which of the following explains why a bicycle uses a lever? reduces the effort force*I picked this one increases the effort force reduces the resistance force increases the resistance force

Which of the following is not a receptor pair according to the opponent process theory? A. red versus green B. yellow versus blue C. black versus white D. yellow versus red

A scientist adds different amounts of salt to 5 bottles of water. He then measures how long it takes for the water to boil. what is the dependent variable in this experiment?

Bacteria which do not live in extreme conditions are found in this kingdom:

How many moles of h2 gas would be contained in 4.00 of the gas at 202.6KPa and 127c?

Which of The following are classiFcatons describing how rock and oTher maTerial movedownslope? a. Fall, b. slide, c. slump, d. creep, e. fow