C. Carrying a backpack to class
Circuit breaker is a device that is designed to open an overloaded circuit and prevent overheating. The correct option in regards to the given question is option "a". The main purpose of the circuit breaker is to disconnect the defective switch from the circuit as soon as any problem arises. This helps in preventing any kind of major accident. Overheating can result in a big accident and the circuit breaker is the device that senses the overheating and disconnects the switch before any major incident. It is an automated system that acts as a protective devise.
I think a obstetrician, since they specifically deal with pregnancy and birth. They would guide you through the entire pregnancy. Hope this helps :))
Answer:
Mechanical energy
Explanation:
The chemical energy in the food gets changed into the mechanical energy of moving muscles.
Answer:
Because the soundwave bounces back when it hits the wall. Only a fraction of the soundwave gets transferred through the wall.
