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: Food waste is transformed into soil-like humus in ____ to seven days.\Question: Choose the right answer from options given a) ten b) five c) zero d) three

Answer: d


Question: Calves can browse and follow their mother at three weeks old and are weaned at ____ months.\Question: Choose the right answer from options given a) five b) seven c) four d) three

Answer: a


Question: Carbon is fairly unique when it comes to elements, it can bind to ____ other atoms.\Question: Choose the right answer from options given a) eight b) four c) six d) three

Answer:
b