The correct answer is letter B
Utility theory is widely used in economic science to explain how consumers or decision makers make their choices in the best way.
Even if it is not possible to measure the utility that a consumer attributes to a specific good, the theory seeks to compare and classify the alternatives of choice to the good.
One of the main goals are to bring their religion. roman was Catholicism, to the area as well. the area are very heavy as of today
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.
First lets start with physical appearance which would include of course age and the sex of a person. Also the the facial features and skin are important in describing an individual as well as level of consciousness.
Significant information for body structure would include body build as well as contour and stature. Symmetry and position and as well as nutrition likewise provide significant information.
Mobility usually refers to range of motions person exhibits and their gait, which provides information how person walks, runs and does other such activities.
Behavior has many significant information such as facial expressions and mood and affect. These can be a seen also as a part of nonverbal communication and thus provide a wealth of information. Speech also contains many information as well as how someone dresses. Personal hygiene is also a factor here.
