Given a scientific question and its correct answer, generate supporting facts for the answer. This supporting fact can be an explanation for the answer to the given question.

[Q]: Question: What is the name of the layer above the mesosphere? Answer: thermosphere
[A]: The thermosphere is the layer above the mesosphere. It rises to 600 kilometers (372 miles) above the surface. The International Space Station and other space stations orbit Earth in this layer.

[Q]: Question: What hypothesis states that the biosphere is its own living organism Answer: the gaia hypothesis
[A]: The Gaia hypothesis states that the biosphere is its own living organism.

[Q]: Question: Which type of double bond has a sigma bond and a pi bond? Answer: carbon-oxygen bond
[A]:
Has a double-bonded carbon-oxygen bond (one sigma bond and one pi bond). The carbon to which the oxygen is attached has one hydrogen atom connected to it.