Answer:
The answer is A, an object must reflect light.
Explanation:
You can't see anything if there isn't any light to see. Therefore something would have to reflect light in order for us to see it. Hope this helps!
I think it's Conjunctivitis (also known as pink eye)
The liver . it can become inflamed and enlarges in the body and came death or cancer
Answer:
no this is operant conditioning
Explanation:
operant conditioning is a learning style which was first studied by Skinner and it is based on positive or negative reinforcement to induce learning. In this example we can see operant conditioning with negative reinforcement. Herbie learned after a punishment he got to his action
Blood is blue before it reaches oxygen. this is why your veins are blue