When you mix a solid material and a liquid, what observations tell you that a chemical reaction occurred ?

Patricia is told by her physician that her body and brain chemistry have physically adapted to the drug and that she has become dependent on the tranquilizers prescribed for her by another doctor.

How many types of rock can form from the rock cycle

Aquaternary consumer species would be expected to have a smaller population than a secondary consumer species. select the best answer from the choices provided t f