Which of the following has -1/3 a charge? hadron down quark up quark electron​

What effect might melting sea ice have for people who live in coastal areas?

Ican determine the molar mass of an element by looking on the under the atomic mass for the element. for example the molar mass of phosphorus is 30.974 grams/mole. avogadro’s number tells me the amount of representative particles in 1 mole of any substance. this means 12.011 gram sample of carbon and a 32.0 gram sample of sulfur have the same number of atoms.

Which of the following words describe the reality that the universe looks the same from various perspective