When you are standing by an air conditioning vent in an indoor swimming pool area, you feel a lot cooler if you are wet than if you are dry. Why?
What will be an ideal response?
The evaporation of the water takes heat away from the skin.
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The jet stream is a result of the Coriolis effect.
Answer the following statement true (T) or false (F)
How long after the Big Bang was the Planck time, the time at which our current theories become completely unable to describe conditions any earlier in the universe?
A) 380,000 years B) 10-35 seconds C) 10-10 seconds D) 10-43 seconds E) 3 minutes
The thickness of the Galaxy near the Sun is about 1000 light-years
Indicate whether the statement is true or false
On a cold day, you take in 4.2 L of air into your lungs at a temperature of 0°C
If you hold your breath until the temperature of the air in your lungs reaches 37°C, what is the volume of the air in your lungs at that point, assuming the pressure does not change? A) 4.4 L B) 4.2 L C) 4.6 L D) 5.0 L E) 4.8 L