Explanation:
By using sound absorbing substances we can reduce the echoes.
as we seen in the cinema hall...lol
Answer:
Villi
Explanation:
In the small intestine, villi are found present. These villi which appear like a finger-like tissue structure are about 0.5–1.6mm in length in human beings.They have mucosal cells that help in absorption of nutrients. A villus has several microvilli, which increases the surface area of the intestinal wall for faster absorption of nutrients.
This helps us sustain life by
<span>the tendency of a liquid in a capillary tube or absorbent material to rise or fall as a result of surface tension.</span>
Answer:
D: decomposers return carbon dioxide to the air
Explanation:
Wind turbines operate on a simple principle. The energy in the wind turns two or three propeller-like blades around a rotor. The rotor is connected to the main shaft, which spins a <span>generator to create electricity.</span>