They are called <span>nucleotides. </span>
<span>The correct answer is A, B and D. Biogeochemical cycles are central to the ecology of earth system. They make the essentail elements accessible and available for the organisms, and maintain their levels, so that the ecology is ot disrupted. The elements move through abiotic and biotic factors, in these cycles, and a state of equilibrium is maintained n the ecosystem. The carbon dioxide levels are responsible fr the temperature of the earth. If Carbon cycles would not have existed, then there would have been a disruption in maintaining the global temperature. Biogeochemical cycles basically continuously recycles the essential materials, for sustaining the life-forms.</span>
bacteria are classified into 5 groups, spherical (cocci), rod (bacilli), spiral (spirilla), comma (vibrios) or corkscrew (spirochaetes).
The answer is A. Habitat !
Answer:
Diamond is a solid form of the element carbon with its atoms arranged in a crystal structuctre. It is formed in the mantle and delivered to the surface by deep source volcanic eruption.
Explanation:
it have exquisite beauty, inner fire, and unique physical quantity have made them so precious.
