Asubstance that forms when two or more elements join chemically is a. an ion b. compound c. a formula d. an atom

The respiratory system removes oxygen and water from the body. select the best answer from the choices provided t f

Henry, whose mass is 95 kg, stands on a bathroom scale in an elevator. the scale reads 830 n for the first 2.4 s after the elevator starts moving, then 930 n for the next 2.4 s. part a what is the elevator's speed 4.8 s after starting? express your answer with the appropriate units.

The combining of light nuclei is called blank. blank as in not actually blank. you know what im tryin to say.