In this task, you are given a question and an answer, you would be asked to create the sentence based on the Question-Answer provided. It should be contained within the Question-Answer provided.
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Question: Question: Skeletal muscles must work in pairs to move bones back and forth at a joint because they can only do what? Answer: contract

Answer: Skeletal muscles must work in pairs to move bones back and forth at a joint because they can only contract.


Question: Question: The distinctive appearance of what tissue is due to polysaccharides called chondroitin sulfates? Answer: cartilage

Answer: The distinctive appearance of cartilage tissue is due to polysaccharides called chondroitin sulfates.


Question: Question: How many more legs do spiders have compared to insects? Answer: two

Answer:
Two many more legs do spiders have compared to insects.