The answer is Over-the counter.
Over-the-counter are medications sold without prescription. They got their name they are passed over the counter from the pharmacist to the patient. However, they, together with prescription and illegal drugs, are able to change the central nervous system.
Answer:
Depends on others to function
Explanation:
Answer:
C
Explanation:
Because the student is observing the effects on the population, so it would make more sense to add more fish to the tanks to see how they would get effected.
Sea star
explanation: a marine invertebrate of the phylum Echinodermata, such as a starfish, sea urchin, or sea cucumber.