Where were the untouchables in indias caste system

Which of the activities listed below could limit global warming by slowing the increase in atmospheric carbon dioxide levels? view available hint(s) select all that apply. a. replacing fossil fuels with nuclear energy b. burning vegetation to clear land for agriculture c. limiting soil erosion so organic matter takes longer to decompose d. choosing a fuel-efficient car, or bicycling to school or work e. using more electrical appliances and cars f. cutting down forests to build houses

Which of the following is a way that advancements in technology improve humans' ability to measure air quality and protect human health?

The picture above depicts the berlin wall which divided in half from the 1960 to 1989 which type of boundary was the berlin wall