Which Porifera canal system is exhibited in the image? Asconoid
Syconoid
Leuconoid
Spongonoid

Use the drop-down menu to complete the statement. an electron in the first energy level of the electron cloud has an electron in the third energy level. a. a lower energy thanb. a higher energy thanc. the same energy as

Molecular models of two different substances are shown below. in the molecule on the left, the oxygen atom pulls on electrons more strongly than the hydrogen atoms. in the molecule on the right, the two oxygen atoms pull on the shared electrons with the same strength. water molecule, h, o oxygen molecule, oz when the two substances are put in the same container, they do not attract each other. why does this happen? a. they both contain oxygen. b. one is polar and one is nonpolar. c . they are both polar. d. they contain different elements.

Amniocentesis is a process in which amniotic fluid is taken from the mother's womb to identify any genetic abnormalities in the fetus. how would the discovery of the human genome contribute to this process?