« previous next »

Author Question: When did the world population reach 1 billion? Six billion? What will be an ideal ... (Read 114 times)

penza

  • Hero Member
  • *****
  • Posts: 1,022
on: Jul 21, 2018
When did the world population reach 1 billion? Six billion?
 
  What will be an ideal response?

Question 2

When were llamas first imported to the United States?
 
  What will be an ideal response?


janeli

  • Sr. Member
  • ****
  • Posts: 346
Reply #1 on: Jul 21, 2018
Answer to Question 1

Population was estimated to reach 1 billion in 1804 and 6 billion in 1999.

Answer to Question 2

during the late 1800s for zoos


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

It is important to read food labels and choose foods with low cholesterol and saturated trans fat. You should limit saturated fat to no higher than 6% of daily calories.

Did you know?

Not getting enough sleep can greatly weaken the immune system. Lack of sleep makes you more likely to catch a cold, or more difficult to fight off an infection.

Did you know?

The familiar sounds of your heart are made by the heart's valves as they open and close.

Did you know?

Blastomycosis is often misdiagnosed, resulting in tragic outcomes. It is caused by a fungus living in moist soil, in wooded areas of the United States and Canada. If inhaled, the fungus can cause mild breathing problems that may worsen and cause serious illness and even death.

Did you know?

In 2012, nearly 24 milliion Americans, aged 12 and older, had abused an illicit drug, according to the National Institute on Drug Abuse (NIDA).

World coal reserves in gigatonnes World coal reserves in gigatonnes
Map of the World's Religions Map of the World's Religions
Democracy (or “democratization”) is a global social movement. People all over the world yearn ... Democracy (or “democratization”) is a global social movement. People all over the world yearn ...
World Population Growth World Population Growth
World War I timeline World War I timeline
The population of a city has continued to grow since 1950. The population of a city has continued to grow since 1950.
Video: Origin of organelles Animation

For a complete list of videos, visit our video library