Answer: A systematic sampling method.
Explanation.
The purpose s to obtain data that closely resembles that of the entire population. Because this is impractical, random sampling is used.
After determining what a reasonable sample size will be, the size of the population is divided by the sample size to obtain a sampling interval.
The random sample is obtained from the population at the calculated sampling interval.
Answer:
6 billion
Explanation:
The world's population reached its first billion in 1804. By the year 1960, there were approximately three billion of people on earth. By the year 1999, the population grew to 6 billion.
According to recent prognostics, by the year 2024, the world's population would reach eight billion people.
The world population is the total number of humans currently occupying the earth. The highest population growth rates happened between the years 1950-1970.
Answer:
by producing numerous books ,articles, essays inventions, scientific discoveries revolutions, laws and wars
Answer:a solid is a hard material such as steel a gas is a lighter or hevyer than air but is not solid such as methane or carbon dioxide
Explanation:
It’s the 31st most freest in 2018. It has a free market economy
