Answer:
Meta knowledge
Explanation:
Meta knowledge is defined as the knowledge about another knowledge.
In the context of the knowledge base component of an expert system, the meta knowledge is known to enable an expert system to learn from experience. It also helps in the examination and extraction of relevant facts to determine the path to a solution.
Answer:
silt
Explanation
there isnt one because im just that smart
Market performance in the United States is tracked using stock <u>indexes</u>,
which use formulas to calculate price changes.
Explanation:
Stock indices are in itself independent financial or stock markets which also provide a measure of the financial or stock market based on various individual stocks. The USA follows the major stock indices like the Dow Jones Industrial Average (DJIA), S&P 500, and Nasdaq Composite.
All these are either market (S&P 500) or price-weighted (DJIA). Stock indices are calculated based on the per-share price of the stocks of a company.
Any changes in the price(change from previous closing price value of the share) of a company’s share is watched closely by the investors and compared with the current price.
Answer:
The correct option is <em>scientific theory.</em>
Explanation:
A scientific theory is a detailed explanation of any research work which is supported through evidence. A scientific theory is subjected to change if new evidence is found over time. Hence, the correct option is a scientific theory.
Other options like the hypothesis is not correct because a hypothesis is a tentative statement which can be proved right or wrong. A hypothesis is not a detailed explanation and it needs to be tested through experimentation.
