What holds planets, stars, gas, and dust together in a galaxy?

Give me as many as possible benefits for the neck stretch.

A material that provides little or no resistance to the flow of electric current is called a (an) A. circuit / B. conductor / C. insulator / D. resistor.

True or False? Atoms of the same element can have different numbers of neutrons and electrons.

What is density? Can density be used to identify an unknown substance?

Which of these stopped operating in 2011 a. international space station b. kepler space telescope c. hubble space telescope d. space shuttle program

the acceleration of a body in free fall depends on the place or the world in which it is, true or false?

A square loop of wire consisting of a single turn is perpendicular to a uniform magnetic field. the square loop is then re-formed into a circular loop, which also consists of a single turn and is also perpendicular to the same magnetic field.

A thin cylindrical shell and a solid cylinder have the same mass and radius. The two are released side by side and roll down, without slipping, from the top of an inclined plane that is 1.8 m above the ground.

The water in a lake is at 5 °C. A diver measures the pressure of the water at two different depths in the lake. He repeats the measurements on a different day when the water is at 15°C.

A hot spot is an area where material from deep within the mantle rises and melts through the crust above it. True or False