Given a sentence with a missing word, pick the answer option that best fills out the missing word in the sentence. Indicate each answer with its index ('a', 'b', 'c', 'd').
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Question: Mechanical stability comes from having fused quartz, in ____ gravity, cold.\Question: Choose the right answer from options given a) five b) zero c) six d) two

Answer: b


Question: Calves can swim ____ days after they are born.\Question: Choose the right answer from options given a) ten b) two c) zero d) one

Answer: b


Question: Diploid cells have ____ homologous copies of each chromosome .\Question: Choose the right answer from options given a) two b) three c) four d) nine

Answer:
a