A nation whose population profile shows the widest bars in the 40 ...

[dollx]

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.

[yasmin]

Answer to Question 1

B

Answer to Question 2

A

[dollx]

Gracias!

[amcvicar]

TYSM