Where does denitrification happen?

at the roots of plants

in the air

in deep soil or anoxic aquatic sediment

all of the above

How is work involved in stopping a car?

The amount of heat needed to raise 2.0 kg of a substance by 80 K is 33 kJ. What is the specific heat of the substance?

You are caught on open water during a thunderstorm. what should you do?

Sound travels at a speed of 330 m/s. If a lightning bolt strikes the ground 3 km away from you, how long will it take for the sound to reach you?

Which of the following best describes magnetic fields? Question 4 options: Magnetic fields must have only positive charges. Magnetic fields are always found in insulators. Magnetic fields need a conductor.

A person walks up a stalled escalator in 25 s. When standing on the same escalator, now moving, she is carried up in 16 s. How much time in seconds would it take her to walk up the moving escalator?

Does the temperature increase during melting yes or no

Is this statement true or false? The next generation of nuclear power plants being built in California and South Africa are even safer and more efficient than previous generations of power plants.

Part C At what speed does the wreckage move if one car was driving north and one east? Express your answer to two significant figures and include the appropriate units. ! HA C ? Value Units Submit Request Answer Provide Feedback

Which person below is experiencing a delusion? A. Imani, who reads a lot and thinks she will go to an Ivy League school O B. Nia, who thinks that she is the daughter of the president and an extraterrestrial O C.