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.
The first one because just think about how light oxygen or air is
All plant and animal groups existing together and the physical factors with which they interact compose an ecosystem<span>.</span>
Newton proved that the force that causes, for example, an apple to fall toward the ground is the same force that causes the moon to fall around, or orbit, the Earth. This universal force also acts between the Earth and the Sun, or any other star and its satellites. Each attracts the other.
Answer:
particles move fastest and with the highest kinetic energy in a gas, and slowest with the lowest kinetic energy in a solid. particles in a liquid are between the 2