How are the asthenosphere and the lithosphere different?

Which animal group is the largest and contains more species from all the other living groups combined? is it mammals or

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..

What was the land like over 500 million years ago? what was under the sea?