Which of these protects the Earth from harmful radiation when found in the stratosphere, but is a pollutant at lower altitudes? A. carbon B. oxygen C. ozone D. hydrogen

What conclusion can be drawn about the location of the city of syracuse? it was built on the coastline due to easy access to the red sea. it was built on the coastline due to easy access to the mediterranean sea. it was built inland to protect it from invaders sailing in from the mediterranean sea. it was built inland to protect it from invaders sailing in from the red sea.