Answer:
Primary and Secondary sectors
Explanation:
Primary is the extraction of natural materials like mining, fishing, or agriculture.
Secondary is the manufacturing sector like producing man-made goods, or utilities.
Answer:
A control should have been included in the investigation
Explanation:
It is impossible for the student to interpret a correct conclusion about his experiment, without adding a control treatment where he can really compare the differences between the variables.
Control treatment is an element of research that receives all factors, except the variable being tested. The control serves to make comparisons with the other treatments, allowing to observe the exact difference between a system where the variable was tested and the system where it was not.
In the case of the question above, it would have been necessary for the student to have placed a cart on a ramp of normal height and without sandpaper. That way he could compare the speed between this cart and the carts on the other ramps, thus having a correct result.
Explanation:
<h3>1.) It could affect the way we face certain problems.</h3><h3>2.) It can also affect the way we perceive different problems.</h3>
Answer:
The correct option is : b. the use of reinforcement and punishment
Explanation:
According to Sigmund Freud, an Austrian neurologist, an unconscious mind is the central location where all the feeling and thoughts are stored, outside of the conscious awareness.
The unconscious mind can be accessed by dream analysis, slips of tongue and examining first words that comes into one's mind.
<u>Therefore, the unconscious mind can not be accessed by reinforcement and punishment.</u>
