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.

[EX Q]: Question: What connection is required for a newborn baby to begin breathing? Answer: connection to the placenta
[EX A]: A connection to the placenta is required for a newborn baby to begin breathing.

[EX Q]: Question: What happens to most of the energy in a trophic level as it passes to the next higher level? Answer: it is lost
[EX A]: As it passes to the next level, most of the energy in a trophic level it is lost.

[EX Q]: Question: What property is associated with the number of reactant molecules involved in an elementary step? Answer: molecularity
[EX A]:
Molecularity property is associated with the number of reactant molecules involved in an elementary step.