What is the best alternative explanation for the dark matter in the milky way based on the observed orbital motions of stars and gas?

Which term refers to energy derived from heat inside the earth

The contact force that acts on objects in a liquid or gas and allows objects to float is called

Explain the law of conservation of energy. Discuss at least one example that illustrates this law.

A luxury liner has a diesel-electric powerplant with a maximum power of 83 MW at a cruising speed of 39.4 knots. What forward force is exerted on the ship at this speed?

The long, deep canyon running along the equator is called

Luke investigated the heating of water

In the nucleus of all atoms are sub-atomic particles called protons and neutrons. all protons have a positive charge.

In a polar covalent bond

Lindsay is late to class and is running down the hallway at a speed of 2 m/s the length of the hallway is 150 meters. How long will it take her to run down the hallway?

Which of the following is evidence that groundwater causes erosion and deposition?