Which observation would best support that the bond present was a covalent bond?
a) the compound present contains a nonmetal.
eliminate
b) carbon and oxygen share pairs of valence electrons.
c) aluminum is contained in a compound and forms a cation.
d) the valence electrons are involved in the bonding between atoms.

an expansion is one of two basic business cycle phases; the other is contraction. the transition from expansion to contraction is a peak, and the changeover from contraction to expansion is a trough.

this is a good question! i'll do some research and come back when i have the answer!

the  equal rights amendment  (era) states: "equality  of  rights  under the law shall not be denied or abridged by the united states or by any state on account of sex." congress first introduced the era in 1923, but the campaign for ratification took off in the 1960s during the  civil rightsmovement.