American because we live in a society where money is dominant and everybody needs it to survive and in East Africa you know you don't really have anything real life quality is really like low
Answer:
a. Several warning signs can indicate car problems.
Explanation:
According to the given examples, there are different warning signs that indicate car trouble and they are specific to a particular car trouble such as a puddle of dark liquid under a car indicates a leak in the oil or transmission fluid, etc.
Therefore, the sentence that best expresses the implied main idea is several warning signs can indicate car problems.
