ACROSS
1. the process by which material from the earth's
surface is worn away by forces such as glaciers, wind, and waves.
2. a frozen form of precipitation that falls as ice crystals formed
into flakes.
3. pellets of frozen rain or a storm of such pellets.
4. the state of the atmosphere at a particular place and time
as characterized by sunshine, moisture, temperature, precipitation,
and other variables.
5. water vapor in the atmosphere that condenses and falls from
the sky to earth.
6. natural electricity produced in thunderstorm clouds and appearing
as a bright flash or streak of light in the sky.
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DOWN
1. the force by which a planet or other such body tends to draw
objects toward its center.
2. the periodic change, occurring about every twelve hours, in the
height of the surface of oceans and bodies of water near or feeding
into them, caused by the gravitational pull of the moon and sun.
3. a powerful cyclonic storm that originates in the West Indian
region of the Atlantic Ocean and that has heavy rains and winds
exceeding seventy-three miles, or 119 kilometers, per hour.
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