The items that are considered low risk investments are bonds. Bonds are debt investments where an investor can loan to either the government or big corporations where they can borrow the funds for a specific time frame at a variable fix interest rate.
Operant conditioning is reinforcement, classical conditioning relies more on association between stimuli and responses. A second distinction is that much of operant conditioning is based on voluntary behavior, while classical conditioning often involves involuntary reflexive behavior.
I think the correct answer from the choices listed above is option C. Tinker v. Des Moines and Texas v. Johnson were cases involving the exercise of symbolic speech. Tinker v Des Moines was about students rights to free speech when being published by a public school. <span>Texas v Johnson overturned a law against desecrating the US flag. </span>
Answer:immune
Explanation:
they produce anti bodies and are each programmed to make specific antibodies