The lowest part of the earth is ..? A) Mariana Trench B) Dead Sea C) Death valley D) lake Eyre Related MCQs: The lowest layer of Earth’s atmosphere is? Less than one percent of Earth’s water is fresh water but the oceans contain ….. percent of the earth’s water? The bodyguard of the Earth is ….. save the Earth from many Comets Asteroids? Arctic region of earth contains how reserves of earth: