Which type of drug addiction has the greatest risk of contracting the HIV (AIDS) virus?
A. Injection of heroine
B. Using alcohol
C. Cigarette smoking
D. Taking too much aspirin
What is the most elastic of the following?
A. Glass
B. Rubber
C. Steel
D. Sponge
How many spark plugs are required for a diesel engine?
A. 0
B. 3
C. 2
D. 4
Radiations from what source are responsible for the Aurora Borealis phenomenon, which manifests as a display of red and green lights in the northern hemisphere
A. Mesosphere
B. Troposphere
C. Lonosphere
D. Stratosphere
Only at normal temperatures can the echo of reflected sound be audibly audible if the distance between the reflecting surfaces and the sound source is at least ?
A. 56 ft.
B. 120 ft.
C. 1120 ft.
D. 100 ft.
A form of hydrometer called a lactometer is used to determine the substance’s specific gravity.
A. Milk
B. Water
C. Honey
D. olive oil
Cobalt is a substance that is?
A. Not a magnet
B. Not attracted by a magnet
C. Strongly attracted by a magnet
D. Weakly attracted by a magnet
What is the primary purpose of the kidneys?
A. To remove waste substances from body
B. To control body temperature
C. To control blood pressure
D. To help in digestion of food
In a typical guy, how many times per minute does his heart beat on average?
A. 80
B. 70
C. 50
D. 100
What conditions are treated with dialysis?
A. Brain disease
B. Heart weakness
C. Kidney failure
D. None of these