How much water does the average human use per day?
A. 80-100 gallons.
B. 100-200 gallons.
C. 20-70 gallons.
A. 80-100 gallons.
How much has world population increased since 1990?
A. 80,000,000 people.
B. 1,000,536 people.
C. 80,900,573 people.
A. 80,000,000 people.
World population has increased by an average of 80 million people since 1990.
How much water does the average human use yearly?
A. 25,900-80,000 gallons.
B. 10,000-50,000 gallons.
C. 29,200-36,500 gallons.
C. 29,200-36,500 gallons.
How many people live in the US and China combined?
A. 1,346,953,740 people.
B. 1,673,745,900 people.
C. 1,730,298,000 people.
C. 1,730,298,000 people.
How much water does the average human use in a lifetime?
A. 2,298,040-2,872,550 gallons.
B. 5,302,000-8,520,000 gallons.
C. 3,743,347-6,458,457 gallons.
A. 2,298,040-2,872,550 gallons.
If it took about 200,000 years to get the human population to 1,000,000,000. Then about how long would you guess it took to get to 7.7 billion?
A. 14,700 years.
B. 200 years.
C. 500 years.
B. 200 years.
How much water does the U.S use daily in 2015?
A. About 378,398,500,478 gallons.
B. About 500,000,000,000 gallons.
C. About 322,000,000,000 gallons.
C. About 322,000,000,000 gallons.
What are the three most populated countries?
A. China,India and Russia.
B. China,India and America.
C. China,India and Canada.
B. China,India and America.
China: 1,400,040,000 people.
India: 1,354,930,000 people.
America: 330,258,000 people.
About how much has the world demand for water increased since 1990? Also about how much available water do we have?
A. 16,907,011,351 gallons out of 163 quadrillion gallons.
B. 14,145,172,101 gallons out of 173 quadrillion gallons.
C. 19,154,160,148 gallons out of 137 quadrillion gallons.
A. 16,907,011,351 gallons out of 163 quadrillion gallons.
World demand for water has increased to 16,907,011,351 out of 163 quadrillion.
What is the least populated continent?
Antarctica
At not even a million people.