Sacar los números cuánticos de cobalto (Co)Z=27

Which of these is the result of scientific research and not engineering? a. a new shoe design that features air cushioning for more comfort and protection b. the creation of glass with uv protection. c. a conclusion about diet commonalities among diabetics. d. the development of a smaller, more compact missile.

Name the intersection of plane bpq and plane cpq.

Areaction in which products can react to re-form reactants is