Questions with the keyword 'soil'

• What effec does acid rain have on the eco-system in terms of being recycled through the soil and then absorbing in the by kwald27 to Blaire, Elizabeth, Jenny, Shona, Simon . Comments: (So far, one comment)
• You can grow plants in a hydroponic farm using artificial light, water substitutes and soil substitutes but would a by kwald27 to Blaire, Elizabeth, Jenny, Shona, Simon . Comments: (No comments so far)