The correct answer is letter B. The microphone is the part of the telephone the converts sound waves into electrical signals that can be sent through the phone line and then towards the receiver on the other side. The telephone is one of the most important inventions made by man as it allowed communication to speed up through time.
Answer fffffffffffffffoooooooooooootttttttttt
Explanation:
as foooooooot
A hemoglobin is a red protein responsible for transporting oxygen in the blood of vertebrates. Its molecule comprises four subunits, each containing an iron atom bound to a heme group.
Answer:
D.) Insect
Explanation:
A bioindicator is a living organism that gives us an idea of the health of an ecosystem.