Which describes mid-oceanic ridges?
a. transform plate boundary between oceanic plates
b. convergent plate boundary involving an oceanic plate
c. divergent plate boundary in oceanic plates
d. divergent plate boundary in a continental plate

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.

Why must humans find substitutes for many minerals found on earth? (a) form at an extremely slow rate (b) controlled by other countries (c) too deep in the earth to collect

Explaining why atoms bondcomplete the sentence.atoms form chemical bonds to satisfy the    rule and to become  .