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.

[EX Q]: Fact 1: Lancelet larvae are free-swimming. 
Fact 2: Some types of snails are free swimming, while others are sessile.
[EX A]: lancelet larvae are not sessile.

[EX Q]: Fact 1: when the body is hot , sweat is produced to cool the body. 
Fact 2: The sweat evaporates from your skin, cooling it.
[EX A]: Your body uses evaporation to cool it down.

[EX Q]: Fact 1: recycling has a positive impact on the environment. 
Fact 2: Alternatively, through reuse and recycling, waste can be converted into useful products.
[EX A]:
Converting waste into useful products has a positive impact on the environment.