• 2022-06-06
    All of the following are true EXCEPT ______.
    A: the atmosphere is important to none.
    B: a great deal of damage from the sun's deadly rays would be done to us, if there were no at mosphere.
    C: the atmosphere, as the author described, is the roof under which man can live safely on Earth.
    D: electricity in the atmosphere is being studied from every aspect.
  • 举一反三