B7

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Across
  1. 3. : a tendency to do nothing or to remain unchanged.
  2. 5. : the star around which the earth orbits.
  3. 7. : he force that attracts a body toward the center of the earth, or toward any other physical body having mass.
Down
  1. 1. : the natural satellite of the earth, visible (chiefly at night) by reflected light from the sun.
  2. 2. : strength or energy as an attribute of physical action or movement.
  3. 4. : small, rocky objects that orbit the Sun.
  4. 6. : he planet on which we live; the world.