The flat-lying sedimentary rocks in the Grand Canyon that record the coming and going of the seas are primarily in age.

Atriangle has a side lengths of 18cm, 80 cm and 81cm. classify it as acute obtuse or right?

Achild’s often are influenced by the belief systems of his or her parents. a. ideologies b. bilingualism c. territoriality d. cultural diffusion

Which statement best describes how chemical equations demonstrate conservation of mass?