Run the resource numbers

Exercise and reference answers

Questions

1. Correct

   75

   Choices

   1. 75
   2. 78
   3. 97

2. Correct

   78

   Choices

   1. 75
   2. 78
   3. 97

3. Correct

   97

   Choices

   1. 75
   2. 78
   3. 97

4. Correct

   Sun

   Choices

   1. Sun
   2. Water
   3. Wind

5. Correct

   Water

   Choices

   1. Sun
   2. Water
   3. Wind

6. Correct

   Wind

   Choices

   1. Sun
   2. Water
   3. Wind

Instructions

Per cent: water cover, air nitrogen, Venus CO2; then soil maker: heat cracks, ice widens, carries sand.

Explanation