The rate of natural increase refers to the difference between the number of live births and the number of deaths occurring in a year, divided by the mid-year population of that year, multiplied by a factor (usually 1,000). It is equal to the difference between the crude birth rate and the crude death rate.
True because if the climate is warm you wouldn't build a house with heating and then humans have built many things that cause the climate to change like cars
Answer:
D a photograph
Explanation:
because it help to know what happened through the help of picture. it also help to increase memory power..
