Where was it first discovered that the earth's ozone layer was being depleted?

List two inventions that were invented in the united states before the american civil war

How did the growth of the middle class affect social reform during the industrial revolution?

Which timeline correctly organizes the founding of important world religions? world religions • christianity was founded about 2,000 years ago. • islam was founded about 1,400 years ago. • hinduism was founded about 3,500 years ago. • buddhism was founded about 2,500 years ago. • judaism was founded about 4,000 years ago.