Answer:
Monuments are statues, buildings, or other structures erected to commemorate a notable person or event.
Explanation:
<span>The Marginal Rate of Substitution refers to the rate the consumer is willing to trade for another good to maintain the level of satisfaction. It is described by ratio of prices. Maximum satisfaction is achieved when trade offs between two goods are equal. </span>
After the death of Marcus Aurelius, the Roman empire slowly started to decline. Potential new emperors began to focus on pleasing the rich Patricians at the expense of the poor plebeians . The resulting decadence was just one reason for the fall of the empire.
(It needs to be pointed out that as the question seems incomplete and lacks more context, the answer might not meet the its standards).
Answer:
<em>The correct answer is Clean energy sources will help the environment as well as the economy. Hope this helps!</em>