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: zinc has a positive impact on the healing of wounds. 
Fact 2: Sources of zinc are soil, zinc oxide, zinc sulfate, zinc chelate.
[A]: soil can have a positive impact on the healing of wounds.


[Q]: Fact 1: having food has a positive impact on an organism 's health. 
Fact 2: Animals eat plants for food.
[A]: Eating plants has a positive impact on the health of animals.


[Q]: Fact 1: boiling means change from a liquid into a gas by adding heat energy. 
Fact 2: Water, for example, is a liquid.
[A]:
boiling means change from water into a gas by adding heat energy.