Answer: cryosphere and geosphere
Explanation:
cryosphere are the glaciers in the world, and geosphere is in the earth's crust, which is how lava comes up. this means that the first option is correct.
Answer:
producers need to know that consumers want so they can sell more and make more profit
Explanation:
hope this helps
I believe the answer is: D. <span> Skinner; operant
According to skinner, operant conditioning refers to the attempt to make a subject to display desired beahvior by using rewards and punishment.
In the scenario above, completing the homework is the desired behavior and letting her choose the movie is the reward.</span>