What type of rock can melt to form magma

List some exothermic and endothermic processes

An electric razor costs Del Pharmacy $54.39. Its selling price is $108.98. The overhead included in the price totals $22.85. What is Del Pharmacy's net profit on the razor?

If your mass, the mass of Earth, and the mass of everything in the solar system were twice as much as it is now, yet everything stayed the same size, your weight on Earth woulda. quadruple. b. be the same. c. double. d. be eight times as much as now.

Based on its location on the periodic table, which element is a metal? A. Sodium (Na) B. Neon (Ne) C. Chlorine (Cl) D. Carbon (C)

True or false. when light passes from one medium to another the speed changes.

What does it mean when a plane is perpendicular to the x-axis?

If the weight of an object that is submerged in a fluid is 10 N and the buoyant force on it is 20 N, what will happen to the object?|

A switch in an electric circuit controls the flow of electrons in the circuit. True O False

What are three common forms of work in science

A boat travels north across a river at a velocity of 22 meters/second with respect to the water. The river's velocity is 2.2 meters/second to the east. What is the resultant velocity of the boat, as measured from the land?