Answer:
Fracking has adverse effect on water resources. The most potent danger lies in the fact that the fracking fluid may flow back to the surface and contaminate water.The fracking fluid contains toxins and carcinogen along with sand. This fluid when mixes with fresh water resources by any chance will prove hazardous. And hence degrade the availability and quality of potable water.
Explanation:
- Fracking or hydraulic fracturing is a technique used by industries to bring out oil and gas from the rock reservoirs.
- In this process a fluid known as fracking fluid is forcefully injected into the rock so that a fissure can be created and the rock breaks open due to the extreme pressure of the fluid.
- Fracking fluid can prove itself to be a environmental Hazard , because of the toxic chemicals and carcinogens mixed in it.
Answer:
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Explanation:
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Hi!
<span>I. Nucleic acids always consist of a five-carbon sugar, a nitrogenous base, and one or more phosphate groups.
</span>
<span>II.
Both DNA, which stores genetic information and encodes protein
sequences, and RNA, which is involved in the direct production of
proteins, are nucleic acids.
Please tell me if I'm wrong.
Good Day
</span>
Answer: The correct option is B. 25% of the area is vegetation and 75% is roofed or paved.
Vegetation can cause precipitation and reduce runoff. Leaves and stems are used in capturing rain and prevents the rainwater to reach the ground. Dense vegetation with higher surface area under vegetation absorbs water and prevents runoff. Pavements or roofs cause the runoff water by filling the waterways as there is no vegetation for water absorption which leads to overfilled waterways and in turn cause flooding.
Answer:
Answer is hemoglobin S.
Explanation:
Hemoglobin S is considered as an abnormal type of hemoglobin which a child can be inherited from the parents. This cause the red blood cells to have distinct shapes from their normal shape. The red blood cells will have a sickle shape which is different from their normal round disk shape.
