Electromagnetic waves do not need to carry blank. Electromagnetic waves carry enough through matter, but they also carry enough energy through empty blank in a vacuum.

Acompound is found to contain 6.1% hydrogen and 93.9% oxygen. find it’s empirical formula.

The diagram shows the positions of the sun, moon and earth during spring tides, when the high tides are at their highest and low tides at their lowest. what is it about these positions that causes these high and low tides?

Chemical energy is a form of a. kinetic energy only. b. both potential and kinetic energy. c. neither potential nor kinetic energy. d. potential energy only. reset