In mantle convection currents, hotter rock moves while cooler rock moves downward; upward upward; downward sideways; upward downward; sideways

Imagine you had to physically add electrons, one at a time, to a previously neutral conductor. you add one electron very easily, but the second electron requires more work. in your initial post to the discussion, explain why this is. also, what happens to the work needed to add the third, fourth, fifth, and subsequent electrons

Ihave a density of 1.61g/cm^3 and a mass of 28g. find the missing value

4. if you were an astronaut on the moon, what would you experience? what would you see from your perspective?