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The correct answer is A-D only. "Presence" should be replaced with D: "meet" to make the sentence grammatically correct, indicating that only about 1% of drugs tested failed to meet quality benchmarks.
Which of the following isotope of hydrogen is radioactive in nature?
What is the chemical name of the Laughing Gas?
Which base is present in soap?
In a compound, the elements are always present in definite proportions by:
Which of the following fibers will melt when heated?
Which law explains why planets move faster when they are closer to the Sun?
Which of the following is a water soluble vitamin?
Turquoise is an ore/mineral of:
Name the source from which aspirin is produced?
What is dehydration?