« previous next »

Author Question: If the population of a country doubles every 25 years, a 1980 population of 10 million will reach 80 ... (Read 70 times)

CharlieWard

  • Hero Member
  • *****
  • Posts: 578
on: Jul 28, 2018
If the population of a country doubles every 25 years, a 1980 population of 10 million will reach 80 million in the year
 
  a. 2005.
  b. 2030.
  c. 2055.
  d. 2080.
  e. 2105.

Question 2

Suppose that we allowed each person 1000 m3 of living space in a large building, with ceiling height 3 m.
 
  To the nearest order of magnitude, how many 1000 m high
  buildings would have to be built to house the entire population of 8.5 x 1014 people on the
  energy-limited Earth if each building's base were 100 km on a side?
  a. 101
  b. 102
  c. 105
  d. 108
  e. 1013


Ksh22

  • Sr. Member
  • ****
  • Posts: 297
Reply #1 on: Jul 28, 2018
Answer to Question 1

D

Answer to Question 2

A


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question

CharlieWard

  • Hero Member
  • *****
  • Posts: 578
Reply #2 on: Jul 28, 2018
Both answers were spot on, thank you once again


Ksh22

  • Sr. Member
  • ****
  • Posts: 297
Reply #3 on: Jul 28, 2018
Great! Please up vote :D


« previous next »
 

Did you know?

Colchicine is a highly poisonous alkaloid originally extracted from a type of saffron plant that is used mainly to treat gout.

Did you know?

Urine turns bright yellow if larger than normal amounts of certain substances are consumed; one of these substances is asparagus.

Did you know?

Egg cells are about the size of a grain of sand. They are formed inside of a female's ovaries before she is even born.

Did you know?

After 5 years of being diagnosed with rheumatoid arthritis, one every three patients will no longer be able to work.

Did you know?

People with alcoholism are at a much greater risk of malnutrition than are other people and usually exhibit low levels of most vitamins (especially folic acid). This is because alcohol often takes the place of 50% of their daily intake of calories, with little nutritional value contained in it.

Stepwise approach for managing asthma in adults and patients 12 years and older. Stepwise approach for managing asthma in adults and patients 12 years and older.
Age-standardized disability-adjusted life year (DALY) rates from hepatitis B by country (per 100 000 ... Age-standardized disability-adjusted life year (DALY) rates from hepatitis B by country (per 100 000 ...
Life Cycle Nutrition: Toddlers through the Later Years Life Cycle Nutrition: Toddlers through the Later Years
Some Cases of Population Aging Some Cases of Population Aging
Patients Older than 60 Years of Age Patients Older than 60 Years of Age
What amount was invested 35 years ago at 7% compounded semiannually if the value of the ... What amount was invested 35 years ago at 7% compounded semiannually if the value of the ...
Video: Helper T cell receptors, activation, proliferation, differentiation & action

For a complete list of videos, visit our video library