Air masses are large bodies of air whose properties of ...

[rlane42]

Air masses are large bodies of air whose properties of ___________________ _ and ___________________ _ are fairly similar in any horizontal direction at any given altitude.
 Fill in the blank(s) with correct word

Question 2

The Milankovitch cycles in association with other natural factors explain how glaciers may advance and retreat over periods of ____ years.
 A) hundreds of millions of
  B) several million
  C) hundreds of thousands of
  D) ten thousand to one hundred thousand

[matt]

Answer to Question 1

temperature, humidity
humidity, temperature

Answer to Question 2

D

[rlane42]

Thanks for the timely response, appreciate it

[yeungji]

Wow, this really help