The outermost layer of the Earth that contains the continents and the oceans. a) mante od outer core b) crust d) inner core

Use the drop down menus to match each example to the fossil topic discussed then to show how the fossil record gives evidence of evolution

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.

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