If net charge on one object is doubled, then electric force will also get double. It is because they are directly proportional to each other.
Hope this helps!
The meters per second
+1t a second / 2t
I think it's The fossil record. The same animal fossil is in Africa and South America. The animal could have not swim across so its the fossil record
C. Lack of mates. If they cannot reproduce enough, their size will reduce.
