Answer:
The correct answer to the following question will be "Scientific theory".
Explanation:
A Scientific theory is an interpretation of a mathematical theorem that could be verified experimentally and confirmed in compliance with the scientific process, using agreed methods for assessment, calculation, and evaluation of tests. The concepts are tested under controlled circumstances, if possible, in an examination.
This refers to a specific interpretation or collection of theories for some aspect of the world of nature reliably supported by facts over the period.
Therefore, Scientific theory is the right answer.
It depends on the type of the speech. If it is a short, impromptu or unimportant speech, there is no problem in displaying the aid. If it is a long, or important speech, it is better to not display the aid but if the speech is not memorised the aid should be somewhere where it doesn't draw attention and brief glances should be used if needed. Always look at the audience and not down at the aid.
Answer:
1 hour of history and 1 hour of economics
Explanation:
If Jenny studies economics only, she will have 10 points in the first hour and 5 points in the second hour, totaling 15 points. If Jenny studies history only, she will have 15 points in the first class and 5 points in the second class, totaling 20 points. To maximize her score, Jenny should study one hour of economics, which will earn her 10 points and one hour of history, which will earn her 15 points, totaling 25 points in two hours.