Atmospheric pressure is less at higher altitudes than at lower
ones. Which of these is caused
by lower pressure at higher
altitudes?
A Car tires need to be inflated more
than at sea level.
B A pendulum will swing faster
than it will at sea level.
C A 20 mph wind will be stronger
than it will be at sea level.
D Cooking beans in an open pot
will take longer than it will at sea
level.

water and alcohols have similar properties because water molecules contain hydroxyl groups that can form hydrogen bonds with other water molecules and with alcohol molecules, and likewise alcohol molecules can form hydrogen bonds with other alcohol molecules as well as with water.

a basic emergency supply kit could include the following recommended items: water - one gallon of water per person per day for at least three days, for drinking and sanitation. food - at least a three-day supply of non-perishable food. battery-powered or hand crank radio and a noaa weather radio with tone alert.