Perform the following operation and express the answer in
scientific notation.
3.60x10^-12 + 3.60x10^-11
[ ? ]x10

This is a characteristic of the elements in the periodic table that shows a pattern. it may increase or decrease across or down the table.

Which of your 24 wells had indications that a chemical reaction occurred? how were you able to tell that a chemical reaction occurred? which of your 24 wells had indications that a physical reaction occurred? how were you able to tell that a physical reaction occurred? report on both mixing and evaporation. make a general statement about whether your hypotheses were validated or rejected. must your hypotheses be correct for this to be a successful laboratory?

What type of context clue you understand the meaning of  quandary?