No tsunami warning system was in place. Due to the relative poverty of the region, there was no good way to warn the citizens. So C
the world's current population is 7.3 billion and the world population in 1915 was 1.8 billion. The increase over the past century is 7.3 billion - 1.8 billion = 5.5 billion. So, the correct answer would be "more than 5 billion" (option D).
I think the answer is number3
Answer:
Earth? I think...........
For this question we cannot help you as you have to measure the results yourself