<u>Answer</u>:
1. <u>Phosphorus</u> in soil originates from (white arrows):
- plant residue,
- animal manures and biosolids
- atmospheric deposition (dust)
- mineral fertilizers
These sources all add to the phosphorus found in soil in both organic or inorganic forms.
2. <u>Phosphorus</u> from soil is released to (red arrows):
- <u>organic phosphorous</u> through:
<em> -->plant uptake</em> in the form of soluble P. This soluble form has several of its own sources such as primary minerals, mineral surfaces, secondary compounds etc.
--> <em>immobilization</em> where microorganisms convert and absorb inorganic P
- <u>phosphates in solution</u> through:
-->runoff and erosion
-->a small portion though leaching
Answer:
Helping others is the characteristics of human beings.
Explanation:
It is very important to stand up for others because helping others is the property of human beings. Those people who stand for other people and help them in their difficult situation, these people helped by the God and these people get happiness and prosperity in their life while on the other hand, those people who can't stand for other people will also can't receive help from others in difficult and needy situation. This stand also shows your courage and bravery to the opposite party.
Answer:
Ways in which people positively affect ecosystems around the world include: Recycling. Establishing wildlife preserves and parks. Creating green, open space laws.
Explanation:
:D
The best answer I see is A
please tell me if I´m right
sorry if i am not
