<em>Answer:</em>
<em>A) abstract ideas. </em><em> </em>
<em>Explanation:</em>
<em><u>Abstract ideas,</u></em><em> in psychology, is determined as ideas that are not being connected with "worldly things", and is considered as something that an individual can't touch yet can feel. However, it signifies thoughts that are considered as conceptual & symbolic but not specific or concrete. It is entirely based on the relationship between objects and ideas, principles, and concepts.</em>
<em><u>The correct answer to the question is abstract ideas.</u></em>
Answer: Pyramids. The ancient Egyptians built pyramids as tombs for the pharaohs and their queens. The pharaohs were buried in pyramids of many different shapes and sizes from before the beginning of the Old Kingdom to the end of the Middle Kingdom. ... The most well-known of these pyramids was built for the pharaoh Khufu.
Explanation:
The difference between marginal cost and marginal revenue is Marginal cost is the money paid for producing one more unit of a good. Marginal revenue is the money earned from selling one more unit of a good. Thus the correct answer is B.
<h3>What is marginal cost?</h3>
The difference in total production costs caused by producing or manufacturing one extra unit is known as the marginal cost of production.
In order to maximize production and overall operations, an organization must first decide when it can achieve economies of scale.
The sum of money spent to create one additional unit of a good is its marginal cost. Selling one additional unit of a good results in a profit known as marginal revenue.
Therefore, option B is the appropriate answer.
Learn more about marginal cost, here:
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A Constitutional Monarchy
I believe it’s 4 opportunity cost
