They both have the same basic composition. They are made rock,dust and sometimes ice.
Price elasticity of demand is the ratio of the percentage change in quantity demanded of a product to the percentage change in price. Economists employ it to understand how supply and demand change when a product's price changes.
That was the period when US shifted from its isolation/ non interference in global affairs policy
Someone you adopt. Such as a foster parent, they are your guardian but not true parent. SO a foster someone you look after, even tho you arent their biological parent
B. Runs his dishwasher only when it’s full.
All the rest seem like ways to waste water so I think B makes the most sense
