Which of the physical processes below results in the formation of metamorphic rocks?

A.

heat and pressure

B.

weathering and erosion

C.

cooling and crystallization

D.

deposition and eruption

An electric heater of 1000w is used for 2 hours a day. What is the cost for using in for a month of 28 days, if 1 unit costs 3.00 rupees.

What currents are responsible for powering the movement of tectonic plates? A. Platonic B. Tectonic C. Convection D. Plutonium

You are driving on a freeway and notice a small car (very small) cut off a big truck. Explain why it is a bad idea for the small car to cut off a very big truck?

Mitchell learned about convection in class. In convection, warmer fluids rise and cooler fluids sink because they have different densities. He decides to conduct a scientific investigation to measure how the density of water changes with temperature.

Which of the following happens during a lunar eclipse? The moon appears red. The moon casts a shadow on Earth. Earth, the moon and the sun form a triangle. The moon comes between the sun and Earth.

Describe the Dark Ages of our universe.

Two boxes, P and Q, are at rest on a frictionless horizontal surface. A light, flexible cord connects them. The mass of P is greater than the mass of Q.

Determine the velocity of a beam of electrons that goes undeflected when moving perpendicular to an electric and magnetic field. The electric field and the magnetic field are also perpendicular to each other and have magnitudes 7.7 x 10^3 V/m and 7.

What is the electric potential of a 2.2 µC charge at a distance of 6.3 m from the charge? Recall that Coulomb's constant is k = 8.99 * 109 N • ___ V What is the electric potential at a distance of 99 m from the charge?___ V

what is a possible unit for the product VI, where V is the potential difference across a resistor and I is the current through the same resistor?