Question

who am I ???why do we live in the earth​

Answer 1

Human beings have certain basic needs. We must have food, water, air, and shelter to survive. If any one of these basic needs is not met, then humans cannot survive.

Answer 2

Answer:

Every galaxy is a collection of suns (hundreds of billions of them). The collection is held together by gravity, with all the suns (just stars) attracting each other through gravity. There are many billions of galaxies, each with hundreds of billions of stars.