Which answer choice shows the correct order of primary succession after a volcanic eruption? highlighter popupunderline selected textgreen color highlightorange color highlightyellow color highlightblue color highlightpink color highlightremove color highlight a. a, c, d, b b. c, b, a, d c. c, a, d, b d. b, d, c, a

19. scientists use meteorites that hit earth to provide evidence of the composition of earth's interior because they hypothesize that

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.

The picture represents a structure of the respiratory system. which is the function of this structure? to bring air into the body to exchange oxygen with carbon dioxide to carry air to the lungs to release oxygen from the body