Answer:
Animal waste decay by the action of bacteria which create :
- Ammonia and nitrate products i.e. rich in nitrogen.
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The best way to do a observation can be a microscope or by taking notes ,and by , taking pictures or, asking questions about the subject that you and the teacher or you, your teacher and the class is talking about .! Hope this helps ..
Answer:
Humans move from one country into another country.
Explanation:
Embryonic stem cells can become all cell types of the body because they are pluripotent. Adult stem cells are thought to be limited to differentiating into different cell types of their tissue of origin. Embryonic stem cells can be grown relatively easily in culture.