It is released through nitrogen - fixing bacteria
Answer:
chemistry is basically the study of matter and their properties. it also it also explains how and why some substances combine or separate to form different substances.
Active transport.
Passive transport, being its opposite, requires no energy at all. Therefore, active transport would require energy or ATP in order to move across.
Hope this helps!
Answer:
No I don't think sand or silt is alive because it's not breathing its not an organism.
