Material rising from the mantle reaches the surface at spreading centers.
A. True
B. False

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..

Long-period comets come from the oort cloud particles in earth’s atmosphere material from the asteroid belt the kuiper belt

To be or not to be that is da question