The mantle of the moon Select one: a. is composed of two layers. b. may have high levels of iron. c. contains the mineral olivine. d. all of the these.

Which geologic feature would most likely be represented by contour lines john far apart from one another? a cliff a hill a plain a valley

According to piaget, children have acquired the cognitive skill of conservation when they're able to a. understand that six ounces of liquid in a jar and six ounces in an elongated tube are equal. b. understand the viewpoint of other people. c. relate objects around them to their own needs. d. realize that the term heavy describes an object one way and the term big describes it another way. it is not b nor c. did this 2 x wrong..

How do you date a sample of rock that you suspect as being one of the earliest on earth