Answer:
D.) A Water Fern
Explanation:
Azolla, also called Mosquito ferns, are a species of <em>aquatic ferns </em>in the Salviniaceae family
<span>The hypothalamus is the </span>area of the brain that responds to an increased concentration of blood electrolytes and initiates drinking behavior.
The hypothalamus contains a number of small nuclei with a variety of functions.<span>It coordinates automatic brain functions and hormone release. Alcohol depresses nerve centers in the hypothalamus that control sexual arousal and performance. </span>
Ans.
There are twenty amino acids that take part in protein synthesis. These amino acids act as precursor for all protein molecules and are known as essential amino acids. Plants can synthesize all twenty amino acids from simple precursors, while animals can make only twelve amino acids. Animals obtain remaining eight amino acids by eating plants.
Thus, the correct answer is 'option) D.'
Answer:
Revolving Service Structure (RSS) of launch pad 39B