Sanjay was given some pH paper to test his three substances. You can see the results in the table above. Should Sanjay amend his conclusion? If yes, how?

A) No. Sanjay's original conclusion is accurate.

B) Yes. Sanjay tested three acidic substances one pH 3 and two pH 6.

C) Yes. Sanjay has tested three substances with three different pH's.

D) Yes Sanjay tested two substances that are really neutral and one that is acidic.

Asun-sized star will spend most of its lifetime as a: white dwarf red giant protostar main-sequence star

Afisherman notices that his boat is moving up and down periodically without any horizontal motion, owing to waves on the surface of the water. it takes a time of 2.20 s for the boat to travel from its highest point to its lowest, a total distance of 0.670 m . the fisherman sees that the wave crests are spaced a horizontal distance of 5.80 m apart. (a) how much is the wavelength? (b) find the period of the wave. (c) how fast are the waves traveling? (d) what is the amplitude a of each wave?

Suppose a comet has an orbital period of 309.1 years around the sun. what is it’s average distance from the sun?