The railway engineers always leave a small gap between two rails to compensate for the expansion of the rails
Answer:
The situation that best illustrates an effect of the law of demand is, for example, that a theater sells more popcorn after it lowers the price of popcorn, so the quantity demanded increases as a result of a decrease in price.
I think the answer is d. the moon's umbra only covers a small area on earths surface.
Answer: Input. Basic. variables
Explanation: there is no explanation
