Generate a sentence that answers this question: "Sandbars are a part of most seas because there are".

Answer: a sandbar is formed by water moving sediment downstream

Generate a sentence that answers this question: "An example of camouflage could be".

Answer: An example of camouflage is an organism looking like leaves

Generate a sentence that answers this question: "Squirrels stay busy in the autumn".

Answer:
squirrels gather nuts in the autumn to eat during the winter