Answer:
The 65 year old person is experiencing:
<u>d. Decrease in his fluid intelligence</u>
Explanation:
Fluid intelligence is a typye of intelligence that refers to the hability to reason, analyze and solve problemes. This type of intelligence normally decreses within the years, this is why it affects elderly people. To solve a puzzle a person needs to use logic and pattern recognition, which are the functions of this type of inteligence.
Fluid intelligence requires physiologycal functioning, this is why old people do not have the same functioning as young people.
Answer:
The success of an experiment depends on several factors provided while experimenting like the proper review of the literature and proper information. The given question on soil ecology studies the effect of compost on the growth of several crops. The biologist was not able to reach the best conclusions of their result as their results were inconsistent due to:
1. The experiment was not designed properly as adding nutrients at the same time.
1. Lack of knowledge about the compost they added like the composition of nutrients.
2. The compost added was of different quality.
4. The crops grown were grown in two different soil types- the indoor greenhouse and outdoor farms.
5. Little knowledge about the control and experimental setup.
