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.

[Q]: Question: How are weather patterns formed? Answer: uneven heating of the atmosphere
[A]: Uneven heating of the atmosphere form weather patterns.

[Q]: Question: The mars rover collected round clumps of crystals that, on earth, usually form in what? Answer: water
[A]: The mars rover collected round clumps of crystals that, on earth, usually form in water.

[Q]: Question: Physical and chemical differences help ecologists distinguish between freshwater and marine types of what? Answer: biomes
[A]:
Physical and chemical differences help ecologists distinguish between freshwater and marine types of biomes.