Home
Resources
News and Views
Contact
About
Youth- Take Action!
Links
Donate
Youth- Take Action!
Focus
What's Happening Where You Live?
What Can You Do?
News From Around the World
Quiz
Tell Your Story
E-Mail this page to a friend
Educational Resources
Back Issues of Youth- Take Action!
Back to Youth - Take Action!
1. Nearly half of soil is made up of rock particles.
The remainder is mostly
a. partly rotted dead animals and plants
b. spaces filled with air and water
c. worms
d. twigs
.