A) Is what I would choose
Answer:
<h3>the percentage change in quantity demanded divided by the percentage change in price.</h3>
Explanation:
- The basic feature of price elasticity of demand is to indicate that elasticity of demand of a good or a service change according to the change in the price of the good or the service.
- The price elasticity of demand measures the consumers' behavior of quantity demanded to a change in price. It is the percentage change in quantity demanded divided by the percentage change in price.
- Symbolically, it can be written as:
Elasticity of demand= 
Answer:A weak immune system
Explanation:
When people get older their immune system becomes weak including the function of the T cells which are cells responsible for fighting infections.
This means it becomes hard to recover from a flue when someone get sick and they are always prone to sickness since their immune system no longer has the power to fight infections.
Answer:
The United States is the most populated country on the continent, followed by Mexico and Canada.
Explanation:
In the year 2020, the United States has an estimated population of 331,002,651, followed by Mexico (127,575,529) and Canada (37,742,154).
Could you type out the information? It is not legible in the photo. I can answer it for you then.