Correct answer
B. Diamond
Explanation
Diamond is the correct answer. Review the question and compare it with the other choices to remember this fact for future exams.
Which of the following atmospheric layers help in radio communication?
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Which of the following is used in beauty parlours for hair setting?
Permanent hardness of water due to sulphate of metals can be destroyed by the use of ________ ?
Which part of the brain controls the Pituitary Gland?
During which process of energy exchange does cold air displace warmer air?