1. deep sea divers breath a mixture of helium and oxygen
2. breathing helium causes a temporary change in the pitch and quality of one’s voice
3. helium gas is commonly used by dentists as a mild anesthetic
4. a mixture of helium and neon gas produced the first gas laser
Answer: C
In what ways do you use math in your daily life Sam?
A computer tape library there are two racks with 40 tapes per rack.In a given day 30 tapes are in use . What fraction remains in the rack?
Converse of this theorem is if the sum of the squares of two sides of a triangle equal the square of the third side then the triangle is a right triangle. What is the name of the theorem?
Computer printer produces 176400 lines in a given day. If the printer is in operation for 7 hrs during the day how many lines did it print per minute?
When driving in fog, you should use your
A white painted curb means
When parking your vehicle parallel to the curb on a level street.
When you are merging onto the freeway, you should be driving
You are approaching a railroad crossing with no warning devices and are unable to see 400 feet down the tracks in one direction. The speed limit is
You may drive off of the paved roadway to pass another vehicle
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