boundedmoss4401 boundedmoss4401 01-03-2021 Biology contestada The Earth is the only planet known to support life. Which of the following is a major contributing factor to the Earth's ability to support life? A) The Earth has a magnetic field with north and south poles B) The earth has an iron-rich core and is made mostly of rock C) The Earth orbits the Sun and is orbited by the moon D) The Earth is surrounded by a layer of air that includes oxygen