The Model school does clay every year. Clay is very messy. The senior classroom does clay after the junior room. The senior room made people and someone made a shoe and elephants pots and faces. The junior room made pots.
Security and diversity of supply (it is better to have more than one source because if one can not provide it you have alternative sources). Greenhouse gas emissions reduction (the balance between the carbon dioxide made and reduced is equal). Types of biomass that are used to provide bio energy include:. Grain like wheat, barley or oats. Recycled wood or sawdust from sawmills. What type of bio fuels are there? When were bio fuels found? Bio fuels were discovered about 400,000 years ago. Sticks along...