It starts in the mouth. You start to chew in which the glands that produce saliva make it easier to send down the esophagus
Answer:
Hector spent the last three months on a winter fishing boat in alaska. he was doing research on population levels of fish for conservation efforts. hector most likely works in. plant systems.
Explanation:
plz mark it the brainliest
Answer: I believe it is Thigmotropism.
O2 (oxygen) is a covalent compound
