The bottom area of a pond or lake where very little sunlight reaches is the O trophic zone
O plankton zone
littoral zone
O benthic zone

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.

Regarding most of the narrator’s story, which word best describes the tone?

Can create a hboth of these instruments can measure wind speed. doppler radar and psychrometer anemometer and hygrometer doppler radar and anemometer radiosonde and psychrometer