Question

Mannu bhandari ne apni maa ke baare mai kya kaha hai?

Answer 1

(1) Some people, in old age, suffer from myopia (mearsightedness) as well as hypermetropia (farsightedness). (2) Myopia is corrected using a concave lens of appropriate power. Hypermetropia is corrected enhriae using a convex lens of appropriate power. Therefore, they need a bifocal lens.

Answer 2

Forest fires always start by one of two ways - naturally caused or human caused. Natural firesare generally started by lightning, with a very small percentage started by spontaneous combustion of dry fuel such as sawdust and leaves. On the other hand, human-caused firescan be due to any number of reasons.