Answer:
Magnesium, calcium, phosphorous, sulfur these are essential nutrients for plants. These are required in trace quantity but are very important for plant life. Point A. will be correct answer.
Explanation:
As in B. starch n cellulose are composed of only carbon, oxygen and hydrogen.
As in C. These elements are not required on special occasion but are necessary throughout plant life.
As in D. C H N O is the primary component plants need but these secondary nutrients are equally necessary for growth n structure of plant.
<u><em>So answer A. Is the correct option.</em></u>
Calcium plays the most important role in structure formation of plants. Also act as messenger molecule in signaling. Deficiency of calcium caused wilting , weakened stem and ultimately death of plant.
Magnesium is the key element in chlorophyll molecule. It is necessary for chlorophyll formation.
Sulfur is another very important element in plant life, it is necessary for protein synthesis in plants.
Phosphorous plays an important role in process of cell devision , photosynthesis and respiration.
Potassium is very crucial in gaseous exchange ,it operates the opening and closing of stomata.
German roaches have flat bodies with six legs, two antennae projecting from their heads, and flat bodies, just like their American cousins and other cockroach species. Contrarily, American cockroaches are typically reddish-brown in appearance and develop to a length and width of around an inch and a half.
<h3>What is Cockroach?</h3>
Cockroaches are an insect paraphyletic category that includes all Blattodea members with the exception of termites. Only about 30 of the 4,600 cockroach species have any connection to habitations by people. Some species are infamous for developing pest problems.
To learn more about Cockroach visit:
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Yes, your ear canal is connected to your brain.
Answer:yes
Explanation:yes because that is what your teacher is looking for
