What is the purpose of a liner in a sanitary landfill?

A. To prevent leachate from seeping into groundwater.

B. To leach contaminants from dolid waste.

C. To increase the rate of incineration.

D. To collect natural gases and generate electricity.

Which is not an example of work, according to the scientific definition A. lifting a suitcase off the floor B. pulling a sled across the snow C. leaning against a brick wall on the side of a building D.

A transverse periodic wave is established on a string. The wave is described by the expression y = 0.005 sin (20.0x + 2 ft) where y is in meters when x and t are in meters and seconds, respectively. If the wave travels with a speed of 20.

Cara is traveling north to Jacksonville. she determines that the car is traveling at a rate of 90 kilometres per hour. if the car is traveling at a constant rate, how many kilometres will she travel in 3 minutes?

A force of 83 newtons is applied to a wire with a diameter of 0.5 mm. what is the tensile stress (in n/m2) in the wire? do not include units with the answer.

The amplitude of a sound is the A. frequency of the sound. B. magnitude of displacement of a sound pressure wave. C. psychological aspect of sound related to frequency. D. amount of sound energy falling on a unit area. E. pitch.

Which of the following statements are true about gravity? Check all that apply. A. Gravity doesn't exist between two stars that are far far away from each other. B. Gravity exists only near Earth. C.

A ball which is dropped from the top of a building strikes the ground with a speed of 30m/s. Assume air resistance can be ignored. The height of the building is approximately

Water in central Texas comes from the Edwards Aquifer and tends to be hard. Which of the following would you expect to find in this water? O A. Carbon dioxide O B. Calcium ions O C. Biotic factors O D. Oxygen gas

As you found in Part A, your weight will be greater than normal when the elevator is moving upward with increasing speed.

Which of the following lists contains only examples of renewable sources of energy? A. wind, tidal, geothermal, and hydroelectric B. coal, solar, wind, and biomass C. fossil fuels and nuclear energy D. hydroelectric, petroleum, solar, and wind