Hello,
Here is your answer:
The proper answer to this question is option C "<span>biotic".
Here is how:
Salt is consider a biotic factor because of it concentration which makes it a factor of the ecosystem.
Your answer is C.
If you need anymore help feel free to ask me!
Hope this helps!</span>
Answer:

Explanation:
We need to find the energy produced when Sun converts 1.7 kg of mass into energy. Einstein's mass energy relation is given by :

c is speed of light

So, energy produced is
.
a picture of the answers would help :)
This process is called Denitrification. The process is undertaken by the denitrifying bacteria, whose action is converting nitrates in the soil to free atmospheric nitrogen and therefore, depleting soil fertility and reducing agricultural productivity. Examples of denitrifying bacteria are thiobacillus denitrificans, micrococcus denitrificans among others.