Which activity led to the formation of the Grand Canyon?

deposition

tsunami

sedimentation

erosion

What is another word for the sound barrier?

Decide which of the following day to day activities is considered aerobic exercise

A piston cylinder device contains 2 kg of nitrogen gas at 100 kPa and 25 C. We introduce 50 kJ of heat into the system as well as 80 kJ of electrical work. The system expands and produces 20 kJ of work due to such expansion.

An object moving in a circle at a constant speed is accelerating. Why? A. because it is going faster B. because it has constant velocity C. because its direction is changing D. because the distance it is traveling is changing

What does the magnetic field do? A) It exerts the magnetic poles B) It exerts the magnetic force C) It exerts electrical resistance D) It exerts the magnetic domains I looked it up and read some about it, but people just had the longest explanations

Katie runs 6 km in 0.6 hour, then 5 km in 0.5 hour. Katie's average speed is __ per hour.

A derived unit is a combination of fundamental units. Which of the following is an example of a derived unit? a) centimeter (used to measure distance) b) gram (used to measure mass) c) cubic centimeter (used to measure volume)

Technician A says that a heater core leak can be the result of the coolant wearing a hole through the core. Technician B says that a core leak can be caused by chemical action eating a hole through the core. Who is correct?

If the Coast Guard warns of a giant wave of water approaching the shore as a result of a major earthquake, they are warning of a. an aftershock. b. liquefaction. c. a tsunami. d. landslides.

What is the total number of atoms in the following formula? CaBr2 4 3 2 1