Question

Which of the following could be an observation in an investigation?

a. oil is not a good solvent for salt
b. the oil did not dissolve the salt sample
c. with enough mixing, the oil will probably dissolve salt
d. oil deep beneath the surface of the earth could leach salt from the rocks

Answer 1

B is the answer, because observe means to see, therefore you can see that the oil did not dissolve the salt sample.

Answer 2

b is the answer have a good day