Combine the given two facts to write a concluding fact. Note that there should be some parts of the first and second facts that are not mentioned in this conclusion fact. Your combined fact should be the result of a chain between the two facts. Chains form when two facts connect together to produce a concluding fact. An example of a chain is: "pesticides cause pollution" (fact1) + "pollution can harm animals" (fact2) → "pesticides can harm animals" (conclusion fact). Parts of the concluding fact overlap with the first and the second fact. To construct such a  concluding fact, a useful way is to borrow the subject from one fact and the ending conclusions from another fact.

[Q]: Fact 1: Coral reefs provide food and shelter to many ocean organisms. 
Fact 2: Organisms or living beings are literally things that are alive.
[A]: Coral reefs provide food and shelter to many ocean living beings.


[Q]: Fact 1: being burried under soil and mud changes peat into coal through extreme heat and pressure in a swamp over a long period of time. 
Fact 2: Most coal is fossil peat.
[A]: fossils turn into coal over time.


[Q]: Fact 1: irradiating food can be used to kill existing microorganisms in the food. 
Fact 2: Fermentation occurs through the action of microorganisms in the large intestine.
[A]:
Irradiating food can be used to kill something that causes fermentation in the food.