Answer:
THE INCREASE AND DECLINE OF POPULATION
Step-by-step explanation:
Up until the beginning of the industrial revolution, global population grew very slowly. ... After about 1800 the growth rate accelerated to a peak of 2.1% annually in 1968; but since then, due to the world-wide collapse of the total fertility rate, it has declined to 1.1% today (2020).
Getting at least a 80% ( B average) is also good still very close to 90
Answer:


Step-by-step explanation:
An urn contains two blue balls (denoted
) and three white balls (denoted
).
In the selection, a ball is picked and replaced.
From the attached probability tree, the possible outcomes are:

(a)If the first ball drawn is blue
Number of Outcomes =10
The probability that the first ball drawn is blue 
(b)If only white balls are drawn
Number of Outcomes =9
Probability that only white balls are drawn 
Answer:
Step-by-step explanation: