How does increased  pressures result in the formation of minerals

Embryos of different species look very similar, which shows that the organisms share a ancestor.

Word equation for k(s)+h2o(l) yield koh(aq) + h2(g)

13. a covalent bond between two atoms is likely to be polar if: a. one of the atoms is much more electronegative than the other. b. the two atoms are equally electronegative. c. the two atoms are of the same element. d. the bond is part of a tetrahedrally shaped molecule. e. one atom is an anion.