Why is CuO an ionic compound even though the electronegativity is less than 1.7? Cu has an electronegativity of 1.9, and O has an electronegativity of 3.44. The difference would just be 1.54 which is less than 1.7. But it is still an ionic compound for some reason?

Monkeys and bats have similar bone structure in their forelimbs. however, monkeys have longer forelimbs to use for climbing and swinging in trees. bats have shorter forelimbs to use for flight. which term best describes how monkey and bat forelimbs are related to each other? a. homologous b. embryonic c. analogous d. vestigial

How to convert a density of 0.791g/cm3 to lb/ft3

Melissa is interested in her family tree and how her family has changed over its many generations. melissa probably more closely resembles