Author Question: If the population of a country doubles every 25 years, a 1980 population of 10 million will reach 80 ... (Read 71 times)

CharlieWard

  • Hero Member
  • *****
  • Posts: 578
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
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
Both answers were spot on, thank you once again




 

Did you know?

Approximately 70% of expectant mothers report experiencing some symptoms of morning sickness during the first trimester of pregnancy.

Did you know?

Asthma cases in Americans are about 75% higher today than they were in 1980.

Did you know?

Critical care patients are twice as likely to receive the wrong medication. Of these errors, 20% are life-threatening, and 42% require additional life-sustaining treatments.

Did you know?

Increased intake of vitamin D has been shown to reduce fractures up to 25% in older people.

Did you know?

No drugs are available to relieve parathyroid disease. Parathyroid disease is caused by a parathyroid tumor, and it needs to be removed by surgery.

For a complete list of videos, visit our video library