Classical conditioning, because the dog gave an involuntary response to a stimulus. If it were operant, the dog would have performed an action to receive the walk.
Answer:cardiovascular systems
Explanation: hope this helps yall
Answer:
by technology
Explanation:
<u>Well we have better technology now a days.</u><em> So it's easier for children to have more talents.</em> Gifts, we have more gifts to give for children too.
Answer:
While there are many food safety hazards that can cause food contamination, most fall into one of three categories: biological, physical or chemical contamination.
The second option which says "Dr. Lee is using an electron microscope; Dr. Murphy is using a light microscope" is the correct option. This is because unlike electron microscopy that show cell organelles in details, <span>most organelles are not clearly visible by </span><span>light microscopy.</span>