They are necessary because they protect the sensitive spot of your toe and keep out some germs
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No they are not necessary. They were a caveman usage- to forage, to fight etc. Now we don't need them. With the toenail gone, just normal skin is left- the body seals up everything leaving everything clean and tidy.
People eat their toenails because they insecure about themselves!
People still can and do survive without electricity.
Can people survive in stonepay for 1 day without energy?
Not for very long. People cannot survive for very long without water, anywhere.
Yes.
WI-FI is not essential to life, nor is it particularly important. People can survive quite easily without it.
Cold germs cannot survive 10 days in a car without people. Cold germs can survive up to 48 hours on surfaces.
Well by not eating enough vitamin or by people keep standing on your toes alot then you get ingrown toenails
Rocks and toenails.
With great difficulty
There is a lack of food and water would survive without food but we cannot survive without water
Less comfortably, perhaps, but yes. People survived without it for a couple millenia.