Answer:
The correct answer is statement A.
Explanation:
The procedure of purifying ocean water, that is, the saline water so that it can become suitable for drinking is termed as desalination. Almost 70 percent of the Earth is covered with water and of this only 3 percent is used for drinking purposes. On a huge scale, the process of desalination would require the boiling of water, which would eventually require an enormous amount of energy.
Reverse osmosis and electro-dialysis are the methods used for desalination. However, these procedures are very costly and cannot be performed on a huge level as it can affect the economy of various countries.
<h2>DNA Mutations</h2>
Explanation:
<em> (A) A base-pair deletion</em>
- <em>Insertion or deletion brings about a frame shift that changes the perusing of consequent codons</em> and, hence, adjusts the whole amino acid arrangement that follows the transformation, additions and cancellations are normally more harmful than a substitution in which just <em>a solitary amino corrosive is modified </em>
- DNA changes brought about by mutagens may hurt cells and cause certain illnesses,<em> for example, malignancy</em>
- <em>Instances of mutagens incorporate radioactive substances, x-beams, bright radiation, and certain synthetic compounds</em>
Answer:
1*since a camel is a desert animal it has a water pouch to store water to enable it to endure dry periods.
2*birds have airsacs to enable it to float in space in order to fly.
3*Aloe has thick and fleshy leaves to store water for use during dry times.
I think it would be advantageous to observe mold colonies on an agar plate because one is able to observe colony structures, pigmentation, among others. Colony forming units are the individual colonies of bacteria,yeasts or mold. A colony of bacteria or yeast refers to a mass of individual cells of same organism, growing together.