<u>Answer</u>: B. An algal bloom
<u>Explanation</u>:
- Fertilizers manufactured from petrol or natural gas are called <em>artificial fertilizers</em> and they consist of a wide variety of nutrients like nitrates, magnesium, phosphorous and potassium.
- Normally, in the water bodies, the number of algae is very less due to less amount of nutrients present in it. However, when these artificial fertilizers reach the water bodies, they release their nutrients quickly which causes a spurt in the growth of algae known as <em>algal bloom</em>.
- When the algae die, its decomposition by the microbes causes a decrease in the dissolved oxygen concentration in water and leads to the death of fishes.
I think the commodity is labor. Labor is one of the four primary factors of production. It is any human work which is performed with the help of mind or physique with an objective of earning income. The value of the workforce depends on the worker's education, skills, and motivation, and may also depend on productivity. the reward for labor is wages or salaries.
Answer:
Hopefully this helps! If it doesn't, let evil.
Explanation:
In the absence of tryptophan, transcription of the structural genes will be reduced compared to a wild-type operon.
I would think the public waters source due to bacteria contamination
