Which of the following is the best reason that scientific models are used? a. they prove scientific theories b. they visualize things that are very complex, very large, or very small c. they provided a concrete view of something abstract d. they precisely mimic something in nature

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..

The diagram shows the layers of earth. convection currents in which region influence the movement of tectonic plates

Plants consume most of their carbon from a. the soil b. the water c. the roots d. the air