Where is the energy in a glucose molecule stored

Which diagram shows the correct way to represent an ionic compound of magnesium oxide?

Will mark brainliest how many electrons can be held in the energy level n = 4?

Why does earth rotate? because earth is formed from cold gases collapsing due to gravity because the matter in the nebula that formed earth was spinning because earth forms more than 99% of the mass of the solar system because the hydrogen atoms inside the nebula fused to form helium