Which of the following will dissolve in water
a. oil
b. salt
c. alcohol
d. sand

salt will dissolve

Explanation:

so if you put salt in water you notice the water changeing and its desloving just like how laxatives work like if you put powder in and stir and lay it down for couple mins it's clear and dissolved

oceans

indian ocean

pacific ocean

atlantic ocean

arctic ocean

southern ocean

try using substitution:

x + y - 6 = x - y. (i'm not giving you the exact answer). since 0 = x - y, then sub 0 in the equation with x - y. combine your like terms, and then use inverse operations, and you'll have your answer.

: -)