A) Cleaning clothes.
B) Watering plants to grow food.
C) Prioritize essential hydration needs above all else.
D) Bathing regularly.

A) Approximately 1 pint (0.5 liters)
B) Approximately 1 gallon (4 liters)
C) Approximately 2 gallons (8 liters)
D) Approximately 1 quart (1 liter)

A) Seeking shade.
B) Eating moist foods.
C) Resting.
D) Strenuous physical activity during the hottest part of the day.

A) Wear dark, tight clothing.
B) Wrap yourself in plastic.
C) Wear loose, light-colored clothing.
D) Wear no clothing.

A) Wait for it to rain.
B) Lick the dew off of leaves.
C) Leave a bucket outside overnight.
D) Tie absorbent cloth around your ankles and walk through grassy areas at dawn.

A) An open bucket.
B) A rusty metal can.
C) A porous clay pot.
D) A sealed, non-reactive container.

A) Alcohol is not palatable.
B) Alcohol makes you more alert.
C) Alcohol dehydrates the body.
D) Alcohol preserves water.

A) Add sugar to improve the taste.
B) Purify it through boiling, filtration, or chemical treatment.
C) Drink it immediately to stay hydrated.
D) Let it sit in the sun for a few hours.

A) Boil the water for 10 seconds.
B) Heat the water until it is warm.
C) Bring the water to a rolling boil for at least 1 minute.
D) Simmer the water for 5 minutes.

A) Vinegar.
B) Salt.
C) Iodine tablets or bleach.
D) Sugar.

A) Follow the instructions on the packaging carefully.
B) Use as many tablets as possible for maximum purification.
C) Chew the tablets before swallowing with water.
D) Use half the recommended dose to conserve tablets.

A) Using leaves.
B) Using a sock.
C) Using a metal screen.
D) Layering sand, charcoal, and cloth in a container.

A) Thick bark.
B) High water content.
C) Strong smell.
D) Bright colors.

A) All plants taste bad.
B) Plants have no nutritional value.
C) Some plants are poisonous and can cause dehydration or death.
D) Plants are difficult to digest.

A) Dark urine.
B) Dry mouth.
C) Excessive sweating.
D) Dizziness.

A) To waste water freely.
B) To drink as much water as possible.
C) To consciously limit and conserve water intake.
D) To avoid drinking water altogether.

A) Drink it immediately.
B) Use it to wash your clothes.
C) Stir it up to mix the debris evenly.
D) Allow the debris to settle, then carefully pour off the clearer water.

A) Filtering water.
B) Storing water.
C) Heating water.
D) Collecting water from condensation.

A) Inside a cave.
B) In a sunny location with moist soil.
C) In a shady location.
D) On a rocky surface.

A) The taste of the water.
B) The potential for contamination.
C) The temperature of the water.
D) The color of the water.

A) The supply is finite and needs to last as long as possible.
B) Rationing prevents water from going bad.
C) Rationing makes water taste better.
D) Clean water is unhealthy to drink in large quantities.

A) Drinking directly from the source.
B) Ignoring water intake.
C) Estimating based on thirst.
D) Using a marked container or water bladder.

A) Dry crackers.
B) Dried meat.
C) Nuts.
D) Fruits and vegetables.

A) They attract insects.
B) They can exacerbate dehydration.
C) They are bad for your teeth.
D) They are difficult to carry.

A) Where the water is stagnant.
B) Downstream where it's easiest to access.
C) In the middle of the stream.
D) Upstream from any potential sources of contamination.

A) Rush through the task as quickly as possible.
B) Plan tasks carefully and efficiently to minimize exertion.
C) Take frequent breaks and drink large amounts of water.
D) Avoid all tasks to conserve energy.

A) Washing equipment.
B) Cleaning hands and preparing food.
C) Washing clothes.
D) Bathing.

A) Stimulating saliva production can relieve dry mouth and reduce thirst.
B) Saliva is irrelevant to hydration.
C) Saliva provides nutrients.
D) Saliva dehydrates the body.

A) Holding your breath.
B) Swallowing repeatedly.
C) Sucking on a small pebble.
D) Spitting frequently.

A) Drink it directly as a reliable source of hydration.
B) As a very last resort, if life is in imminent danger, urine can be purified and consumed, but it's far from ideal due to waste products.
C) Use it for cleaning wounds.
D) Use it to boil food.