The author should back up his\her claim or argument with factual evidence t support their claim .
Answer:
Convex = outward, Concave = inward
Explanation:
Concave is like a cave in that it goes inward, and convex is just not concave
Their perspective is that arguing back with someone online is a waste of time and it won’t do you anything good. So instead of wasting time try to avoid it by ignoring, blocking, or Unfriend them. They are also trying to say that you will look like a fool if you argue back and try to hold your frustration.
Give me Brainliest please aha
Yes because it was real wnnsnska . jane down
