Answer: Food webs are bigger, food chain is smaller.
Explanation:
Food webs are multiple food chains into one web.
When the food hits our tongues it triggered saliva (chemical digestion) then our mouths chewing is mechanical. So therefor your answer is The Mouth. Hope this helps <3
Neon is a noble gas so not that
Helium is a noble gas so no
Flash camera, tricky but I’m POSITIVE that the tubes of the flash part got some argon to increase bulb life
MP3 player, probably this
I wouldn’t recommend trusting me but hey why not
I believe the answer is Animalia. Hope this helps.