D: Human feet come in a wide range of sizes. There isn't a lot of gray area or space for ranges of things in medel's laws, but they still work in a lot of cases.
D, because the air s moving as in longitudinal waves which means <span>a wave vibrating in the direction of propagation, and probation means that the making of more and replacing</span>
Because soap is more basic, adding the acidic solution of lemon juice will decrease the pH value and cause it to become more acidic.
They are used to define periods Geological time.