Mass number is always equal to ______.
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What is 12 S of the Z?
12 S of Z represents 12 Signs of the Zodiac.
It is similar to the
1. 52 W in a Y - 52 weeks in a year
2. 3 H in a C - 3 Hands in a Clock
3. 3600 S in an H - 3600 Seconds in an Hour
4. 5 O in the W - 5 Oceans in the World
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Water which is suitable for drinking is called _______________ water.
Which of the following is graphics solution for word processors?
The electronic dot and cross structure of ethene is ............
Arrange the following ina proper sequence.
A. Mutation
B. Reproductive isolation
C. Natural selection
D. Evolution
Fats, oils and cholesterol are all types of what?
Which one of the following is a waterborne disease?