Question

please answer

HOTS ka 3) question

Answer 1

1. because it's best to breathe from air because if we breathe from nose we get purified air which is dust free because the air is cleaned by the hairs in nosestrills.
2.not to sleep under tree in night because trees also take oxygen at night so the amount of oxygen going to a person sleeping near it will get less oxygen.
3.the reason is because it's an electric device if come in contact with fish body fishes will die moreover fishes are not capable to take of heat from the device.
4. don't know sry