Ill give u brainliest if u asap

what are three different types of electromagnetic radiation that you use in your everyday life?
be sure to identify the source of the radiation as well as the type of electromagnetic radiation that is used.

What substance has a mass of 9.5g and volume of 2.1cm^3

Which of the following is an example of physical change not a chemical change? a) a log gives off heat and light as it burns. b) a tree stores energy from the sun in its fruit. c) a penny lost in the grass slowly changes color. d) a water pipe freezes and cracks on a cold night.

Adeuteron, 21h, is the nucleus of a hydrogen isotope and consists of one proton and one neutron. the plasma of deuterons in a nuclear fusion reactor must be heated to about 3.02×108 k . what is the rms speed of the deuterons? express your answer using two significant figures.