Answer:
Brainly gives special ranks to users who give outstanding performance in a specific subject. These ranks are known as Wizard rank. Specifically for only one person in each subjects: Maths, Chemistry, Physics, Biology, and English.
Explanation:
Yes very much so! You could learn previous mistakes/bugs/etc and find solutions to fixing them and avoiding getting them. As well as much more. History is always a fun subject for anything, really in my opinion.
Local server so you can all you use if you guys are near
Answer:
optical sensors
Explanation:
optical sensors measure the amount of gases like carbon dioxide and carbon monoxide in the air
