Growing Population had the greatest effect on growth of cities and the expansion of cities to suburbs.
Research scientists used a standard practice called the scientific method to help them understand phenomena.
Answer:
positive
Explanation:
A lithium atom has 3 protons and 3 electrons. It can lose one of its electrons, making it an ion. It now has more positive protons than electrons so it has an overall positive charge. Therefore it is a positive ion.
Answer:
because of the Donor and Warafanau
Answer:
first one is railroads and other one is roads