i will mark brainliest if you are correct You are on a field trip and are recording the salinity levels of the water. What are you measuring? The concentration of bacteria in seawater The concentration of dissolved oxygen in seawater The concentration of salt in seawater The concentration of suspended sediments in seawater

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.

In this experiment, the was intentionally manipulated. it is the independent variable. the dependent variables that were measured were the

Which of the following types of stars are dim but can have high surface temperatures? giants main sequence stars supergiants dwarfs