Answer:
I A
Explanation:
Vibration can simply be explained as the the action of moving back and forth quickly and steadily. And , It should be understood that sound wave is produced when an object vibrates.
It should be noted also that sound waves travel through solid, liquid and air or gas.
Therefore, it means that sound waves are not created by vibration but created or produced only when something is caused to vibrates.
C. Lessons learned in setting up state government were helpful in setting up the United States government
Answer:
Anxiety blood pressure
Explanation:
Anxiety blood pressure occurs when an individual engages fear either before going for a check-up or other occasion, when the anxiety is allowed, there would be some temporary spike in the blood pressure.
Marcus for the fear of going for check-up engages anxiety which makes him develop temporary spike in blood pressure
Indus is not located in india
Answer: <em>Option (C) is correct.</em>
Trial and error are known as one of the methods of problem-solving. It is represented by recurrent, different attempts which continue until progress, or until the individual stops. This is also known as a heuristic approach to problem-solving or obtaining knowledge. This method is used in several disciplines such as computer science, elementary mathematics etc.