The passage of a bolus of food down the esophagus is assisted by what? MULTIPLE CHOICE.
1 answer:
Answer:
the lower esophageal sphincter
Explanation:
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False. this earth has always had life. be it microscopic cells to a gigantic titanosaurus
No, the genetic information in parent cells is copied exactly and passed to daughter cells
Answer: a variable is something to be changed or tested
Explanation:
The variable is the thing in an experiment that is changed