Which of the following criteria cause Pluto to be demoted to a dwarf planet? A. Doesn't orbit around the sun. B. Is not spherical. C. Has too small of a diameter. D. Doesn't dominant (compose most of he mass of) it's orbit

What are the three laws of thermodynamics?

When cleaning up a local beach, students found many different particles that were in the water that affected the shoreline, like litter and gasoline. Which of the following describe how these items would need to separated from the water? Why? A.

What is the ratio of the gravitational pull of the sun on the moon to that of the earth on the moon? (assume the distance of the moon from the sun can be approximated by the distance of the earth from the sun.) ?

When is a circuit considered an open circuit?

Which law of motion accounts for the following statement? "An apple accelerates as it falls from a tree."

X-rays UV light waves Sound waves Earthquake waves. All of these have which characteristic in common?

V=345m/s, 7210Hz, X=?

As a mercury atom absorbs a photon of energy, an electron in the atom changes from energy level d to energy level e. Determine the energy of the absorbed photon in electronvolts.

During an exothermic reaction, the energy given off comes from atoms being consumed mass being burned into energy the breaking and forming of bonds mass being created

Can electrostatic attract both pull and pull?