Which of the following changes igneous or sedimentary rock into metamorphic rock?

A.

heat and pressure

B.

heat and weathering

C.

water and weathering

D.

water and pressure

When an electron is displaced in a semiconductor, the hole that's left behind is A. attracted to the negative terminal of the voltage source. B. incapable of carrying a charge. C. attracted to the anode of the voltage source. D.

An engine has an actual efficiency of 0.150. If you put 5200 J of heat into the engine, how much heat will be rejected into the air?

Assume the objects listed below have the same velocity. Which object has the most kinetic energy?

A girl rides her bike with an average velocity of 15.2 km/h northward. If it takes her 25 min to ride to her friend's house, what is her displacement?

Which statement describes a newton? It exists only for objects on Earth. It measures the mass of an object. It reflects the amount of force an object exerts. It states that every object attracts another object.

What is a change in velocity per time

Recall specific heat of water is 4186 j/kg/C. Find the specific heat of sample. Water. Sample Mass 109 192 Internal temperature. 21. 67 Final temperature. 30.1. 30.1

During which period did the first large herbivores and carnivores appear?

What is the reason behind the tail of a comet moving away from the Sun? A The gravity of Jupiter pulls it away from the Sun. The nucleus of the comet propels it away from the Sun. C. The radiation pressure and solar wind propels it away from the Sun.

Calculate the energy released as heat when 51.60 g Cu 2 O (s) undergo oxidation at constant pressure.