What was the effect of glaciation on soil fertility? A) It ...

[cartlidgeashley]

What was the effect of glaciation on soil fertility?
 
  A) It increased fertility all over Canada.
  B) It decreased fertility all over Canada.
  C) It increased fertility in northern Canada, but decreased it in the Ohio River basin.
  D) It decreased fertility in northern Canada, but increased it in the Ohio River basin.

Question 2

Why does the ratio of oxygen 18 to oxygen 16 in the oceans increase during an ice age?
 
  A) More precipitated water remains on land instead of running back to the sea.
  B) There is a different kind of radioactivity occurring in the ocean at the colder world temperatures.
  C) There is a different kind of radioactivity occurring on land at the colder world temperatures.
  D) Sea water freezes into glaciers.

[joechoochoy]

Answer to Question 1

Answer: D

Answer to Question 2

Answer: A

[cartlidgeashley]

Thanks for the timely response, appreciate it

[bassamabas]

TYSM