How often does your body replace the equivalent of the skeletal system?

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..

Select the word from the list that best fits the definition a system made of 25 satellites

Leopold's genotype is xy. what does this mean? a.leopold had hemophilia b.leopold did not have hemophlilia c.leopold was a carrier of hemophilia,but did not have the disease d.leopold's daughter would have hemophilia