I think the answer is 3 and 4
Answer:
C. The pond experienced an algae bloom.
Explanation:
From the graph we see that the fish population continue to decrease with time. As time passed on, the fish population keeps suffering a decline. In retrospect, the population of the algae continued to increase.
- We can ascribe this to the pond experiencing an algae bloom.
- It could be due to condition called eutrophication.
- When nutrients become very much in water and more algae is produced.
- This leads to dissolve oxygen amount reducing in the water body.
- Therefore, fishes will die off.
The ozone layer is the answer!
Planting vegetation and installing drainage pipes will help reduce erosion.
The correct answer is Deletion.
DiGeorge syndrome, more commonly considered as 22q11.2 deletion syndrome. It refers to an ailment resulting when a small segment of chromosome 22 is missing. This deletion leads to poor development of many systems of the body.
The medical issues generally associated with 22q11.2 deletion syndrome involve poor immune system function, heart defects, a cleft palate, delayed development with emotional and behavioral issues, and issues associated with diminished levels of calcium in the blood.