What is light year give me a easy sentence with that word i can not write small

Name the type of particle formed by covalent bonds

My question is An object may be acted on by several forces. What name is given to the single force that has the same effect as these forces?

The Curies took pure uranium and a uranium-containing substance. When they measured the amount of radioactivity, there was more in the uranium-containing substance than the pure uranium. Which idea did the Curies most likely develop?

A uniform crate with a massof 30 kg must be moved up along the 15° incline without tipping. Knowing that force P is horizontal, determine (a) the largest allowable coefficient of static friction between the crate and the incline, (b) the

A lithium oxide compound is represented by which formula?

Solar cells are used to a. photograph sunspots. b. convert sunlight into electricity. c. convert sunlight and carbon dioxide into sugars. d. convert electricity into solar energy.

What scientific evidence supports the Big Bang theory? Universe expansion Redshift Composition of the universe All of the above None of the above

A 1.2 m wire carries a current of 10.0 A in a uniform magnetic field of 0.050T. Find the magnitude of the magnetic force on the wire.

What is the definition of air pressure

A cold glass of iced tea warms quickly on a hot day through the process of A. conversion. B. insulation. C. conduction. D. expansion.