Select the correct answer from each drop-down menu. Complete the sentences to explain how the oceans on Earth were formed. Water arrived on Earth in the form of from comets and meteoroids. Earth's surface was enough to turn it into that, once it cooled, brought rains to fill the oceans.

0.66y = 0.9x + 0.48 if y has a value of 108.45 what is the value of x?

Which best describes how johannes kepler developed his laws of planetary motion

You mix the pks of succinic acid are 4.21 and 5.64. how many gramsa graduate student at sdsu wants to measure the activity of a particular enzyme at ph 4.0. to buffer her reaction, she will use a buffer system based on one of the acids listed below, which acid is most appropriate for the experiment? of monosodium succinate (fw = 140 g/mol) and disodium succinate (fw = 162 g/mol) must be added to 1 l of water to produce a solution with a ph 5.28 and a total solute concentration of 100 mm? (assume the total volume remains 1 liter, answer in grams monosodium succinate, grams disodium succinate, respectively.) volumes of 0.05 m nah2po4 and 0.05 m na2hpo4 (pk's for phosphoric acid are 2.15, 6.82 and 12.38). which of the following best describes the resulting solution?