Which of the following best describes the suns size compared with other stars?

a. small

b. medium

c. large

d. enormous

what holds the planets in orbit around the sun?

a. heat

b. energy

c. radiation

d. gravity

Two books are located 1 m above the surface of the Earth. The first has a mass of 2 kg; the second has a mass of 1 kg. Which statement about the pull of Earth's gravity is true? A.

What visual evidence shows that combustion reactions release energy?

You walked a dog 0.750 miles how many kilometers did you walk

The people in a location in Florida mainly grow crops which need a lot of water. Which of these statements about the location best explains why the farmers grow crops which need a lot of water?

Describe a situation in which different units of measure could cause confusion.

Ilya and Anya each can run at a speed of 8.00 mph and walk at a speed of 3.20 mph. They set off together on a route of length 5.00 miles.

Jill is getting ready to push little Frank in his swing. She pulls Frank back as high as she can and then releases the swing. What is the initial transfer of energy that accelerates the swing when she lets go?

Which phenomenon generates electric current? A black body radiation B ultraviolet catastrophe C emission spectra D photoelectric effect

What is the product of 3.15 m and 2.006 m with the correct number of significant figures?

Consider what happens at the moment when the block leaves the surface of the globe. Which of the following statements are correct? - The net acceleration of the block is directed straight down.