Amixture in which the substances are not evenly mixed

Which of the following would be an accurate picture of the earth during the summer time of the northern hemisphere?

Define the kinetic molecular theory

Covalent bonds generally form when the bonded elements have a difference in electronegativity less than 1.5. subtract the electronegativities for the following pairs of elements and predict whether they form a covalent bond. electronegativity difference of c and c: ionic covalent electronegativity difference of mg and cl: ionic covalent