Acid rain is caused by a chemical reaction that begins when compounds like sulfur dioxide and nitrogen oxides are released into the air. These substances can rise very high into the atmosphere, where they mix and react with water, oxygen, and other chemicals to form more acidic pollutants, known as acid rain
Answer:
By a definition numerical, affecting whole chromosomes (see POLYPLOID and ANEUPLOIDY), and
structural, affecting genetic arrangement within chromosomes. These are usually of a fairly major type (compare POINT MUTATION) and often cause severely adverse effects. Such structural mutations are classified into various
Explanation:
Plants have two systems for the transportation of substances<span> - using two different types of transport tissue. </span>Xylem<span> transports water and solutes from the roots to the leaves, while </span>phloem<span> transports food from the leaves to the rest of the plant.</span>
