This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: A nation whose population profile shows the widest bars in the 40 to 60 age groups with narrower ... (Read 7 times)

dollx

  • Hero Member
  • *****
  • Posts: 558
on: Jul 16, 2018
A nation whose population profile shows the widest bars in the 40 to 60 age groups with narrower bars for older and younger age groups most likely reflects
 
  A) an increasing fertility rate.
  B) a fertility rate that has declined.
  C) the impact of increased immigration into the country.
  D) a war or pandemic between 50 and 70 years ago.

Question 2

A new gravel road is cut into the side of a mountain just north of Anchorage, Alaska. As the snow melts in June, the fine gravel and sand of the disturbed region quickly tumbles into the bottom of nearby streams.
 
  The addition of this fine gravel and sand changes the stream by A) decreasing the number of plants and animals that live there.
  B) decreasing the number of plants but increasing the number of animals that live there.
  C) increasing the number of plants but decreasing the number of animals that live there.
  D) increasing the number of plants and animals that live there.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

yasmin

  • Sr. Member
  • ****
  • Posts: 319
Reply #1 on: Jul 16, 2018
Answer to Question 1

B

Answer to Question 2

A


dollx

  • Member
  • Posts: 558
Reply 2 on: Jul 16, 2018
:D TYSM

recede

  • Member
  • Posts: 315
Reply 3 on: Yesterday
Gracias!

« previous next »
 

Did you know?

Ether was used widely for surgeries but became less popular because of its flammability and its tendency to cause vomiting. In England, it was quickly replaced by chloroform, but this agent caused many deaths and lost popularity.

Did you know?

In ancient Rome, many of the richer people in the population had lead-induced gout. The reason for this is unclear. Lead poisoning has also been linked to madness.

Did you know?

Patients who have undergone chemotherapy for the treatment of cancer often complain of a lack of mental focus; memory loss; and a general diminution in abilities such as multitasking, attention span, and general mental agility.

Did you know?

Blood is approximately twice as thick as water because of the cells and other components found in it.

Did you know?

The first oral chemotherapy drug for colon cancer was approved by FDA in 2001.

Natural selection of a population for dark coloration. Natural selection of a population for dark coloration.
GUIDELINES FOR ASSESSING MEMBERS OF VULNERABLE POPULATION GROUPS GUIDELINES FOR ASSESSING MEMBERS OF VULNERABLE POPULATION GROUPS
The geomagnetic polarity time scale shows how Earth’s magnetic pole has changed through geologic tim The geomagnetic polarity time scale shows how Earth’s magnetic pole has changed through geologic tim
Distribution Patterns and Population Size Estimates (Bio 30) Distribution Patterns and Population Size Estimates (Bio 30)
Major bone (tan) and cartilage (light blue) elements of the human skeleton. Inset shows regions of v Major bone (tan) and cartilage (light blue) elements of the human skeleton. Inset shows regions of v
Characteristics of Some Protist Groups Characteristics of Some Protist Groups
Video: Male Reproductive System - Testosterone

For a complete list of videos, visit our video library