Explanation:
By using sound absorbing substances we can reduce the echoes.
as we seen in the cinema hall...lol
Its False because the main source of carbohydrates is bread and rice so the answer is b.False :))
i hope this be helpful
1. Photosynthesis produces two products, glucose and oxygen.
2. Respiration will take the products of photosynthesis and convert them into carbon dioxide and water.
It is referred to as a selective semipermeable membrane because it only allows certain things through, due to the size and shape of whatever is trying to get through.