All about soil

Még több ilyen

Students need to know how to use a compass and a straightedge to contrust geometric figures

Szerző: Laura McGuire

CRYPTOVERSE2

Szerző: Eric Phillips

Ruby Bridges

Szerző: Christal Simon

Cambridge University

Szerző: england london

All about soil

Soil is everywhere

Main topic

Biofuels

Made from vegetables

Alberta does a lot of this research

Corn and soybeans

Biofuels comes from our fields

Soil is used for the bottom (foundation) of structures

You have to check the soil before building so it is strong underneath. Massimo gave the example of the leaning tower of Pisa.

You need soil to grow plants

Soil absorbs waste

Soil holds the sewage pipes in place