Answer:
d
Explanation:
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).
Answer: c is the answer
Explanation: They have certain requirements in order to form. They can’t just form out of nothing.
The approximate population of india is about 1.3 billion people (2018)
b)a pattern
Because he saw the pattern of movement of Jupiter repeatedly