The first option will be the best answer because it has the best concept of parental control along with working together by monitoring them.
Answer:
An exergonic reaction is a chemical reaction where the
change in the free energy is negative, indicating a spontaneous reaction.
Answer:
What type of language is this
Answer:
These are some steps
Do not use mobile gadgets for a long time
There should be some amount of light in room will using gadget
If you are using during night time in a dark room look at a dark distances in the room for a few seconds about 20sec
Do not try to read. Books in dim light
Hope it helps