iron has a mass of 7.87 g per cubic centimeter of volume, and the mass of an iron atom is 9.27 × 10-26 kg. if you simplify and treat each atom as a cube, (a) what is the average volume required for each iron atom and (b) what is the distance between the centers of adjacent atoms?

Of four agents alpha, beta, gamma anddelta, three have to be sent together on amission. if alpha and beta cannot gotogether, beta and gamma cannot go togetherand gamma and delta cannot go together,then which of the following holds? 1. any three agents can be sent.2. alpha, delta and any one out of beta andv gamma can be sent.3. beta, gamma and any one out of alphaand delta can be sent.4. the mission is impossible.

Robbie owns 15 percent more movies than rebecca and rebecca owns ten percent more than joshua rebecca has 220 movies how much do robbie and joshua each have

Land is to arable ; river is a, navigable b, shallow c, presumsor d, water