Which has more electrons? A) Br- B) Sr2+ C) Rb D) As3+ ...

[hubes95]

Which has more electrons?
 
  A) Br-
  B) Sr2+
  C) Rb
  D) As3+

Question 2

Look at a map of any part of the world, and you'll see that older cities are either next to rivers or next to where rivers used to be. Why?
 
  A) The water allowed for the easy transportation of people and goods in and out of the city.
  B) A dense population is only possible with a sufficient supply of fresh water.
  C) The water allowed efficient removal of wastes.
  D) All of the above are true.

[reversalruiz]

Answer to Question 1

C

Answer to Question 2

D

[hubes95]

TYSM

[JaynaD87]

Gracias!