Energy from a battery powers an electromagnet Which of the following energy transformations takes place?
a
magnetic to heat
b magnetic to electrical
С
electrical to magnetic
d light to sound

What happens in a global convection cell

Which of these statements is true? a. quarks pair with leptons to form protons and neutrons. b. quarks pair with bosons to form photons. c. quarks pair with photons to form protons and neutrons. d. quarks pair with other quarks to form protons and neutrons. e. quarks pair with electrons to form protons.

What causes the development of most clouds and precipitation in the atmosphere?