Even though it is not found on the periodic table of the elements, water is one of several substances that are essential for life on Earth. Which of the following best explains why water is NOT grouped with the elements? (SC.8.P.8.5) A. Water is a liquid.
B. Water is a mixture.
C. Water is a compound.
D. Water is a pure substance.

If someone could do the first couple, just so i can see how it's done that would be great! 20 points. complete a dichotomous key for the 10 leaves on the common leaves sheet. the chart provided here allows for 11 pairs of statements. depending on how you build your dichotomous key, you may or may not need all of them, or you may need to add some.

Which symbols below represent the ions found in the glass of water ? a. oh- and h+ b. co2 and o2 c. o2 and h2 d. nh3- and h+

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