Based on the clue 'a quantity such as the set of all natural numbers ...', what is the answer?

Based on the clue 'a pyramid is an example of this type of solid in w...', what is the answer? Based on the clue 'a python doesnt need to see or smell its prey the ...', what is the answer? Based on the clue 'a qibla indicator shows where to face when praying...', what is the answer? Based on the clue 'a quantity like extra vitamins added to make up fo...', what is the answer? Based on the clue 'a quarrel or a failure to comprehend correctly', what is the answer? What is associated with: a quarrel that began with the fencing judging at the 1924 olympics was settled by an actual on… Based on the clue 'a quarrelsome woman one might even say shes vulpin...', what is the answer? Based on the clue 'a quarter of a million people crowded into this la...', what is the answer?