Of the three sources listed, geothermal energy
is the least dependent on the weather.
(Once it's installed and running, that is.)
I think it’s c bc it makes more sense
Mass number is the total number of protons and neutrons in the nucleus
Answer:
One mole of a substance is equal to 6.022 × 10²³ units of that substance (such as atoms, molecules, or ions). The number 6.022 × 10²³ is known as Avogadro's number or Avogadro's constant. The concept of the mole can be used to convert between mass and number of particles
