I know that fish and marine animals are affected by this I'm not sure why its difficult to manage tho
The best answer is B.
DNA is sometimes referred to as the blue print of the cell's information because it is the store house in which all genetic information necessary for the cell's survival and reproduction is kept.
Without DNA, there cannot be any continuation of life and no new generation of organisms. All living cells and organisms are essentially made up of protein in different forms. Apart from water, proteins are the most abundant molecules in the cell and body where they serves as the major structural component and are essential for growth and maintenance. Information for all these proteins is found in DNA. Without DNA, there can be no protein hence no life.
The body itself. be it immune cells, muscle cells, or blood cells. or nerve cells.
The appropriate response is tundra, taiga, steppes. Tundra is a sort of biome where the tree development is obstructed by low temperatures and short developing seasons. The term tundra comes through Russian тундра from the Kildin Sami word tūndâr "uplands", "treeless mountain tract"
Answer: mitochondria the powerhouse of the cell
Explanation: