Answer:
The Aleutian Islands off the coast of Alaska and the Lesser Antilles south of Puerto Rico.
Explanation:
A volcanic arc is a chain of volcanoes, hundreds to thousands of miles long, that forms above a subduction zone. An island volcanic arc forms in an ocean basin via ocean-ocean subduction. The Aleutian Islands off the coast of Alaska and the Lesser Antilles south of Puerto Rico..
The most appropriate answer is 3 !! and that infection is leukemia, a type of cancer , in which WBC increases !!
<span>Factors that affect 'neurotransmission' are plentiful, but the most common include genetics, eating habits, exposure to chemicals, and in the case of humans, stress.</span><span>
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Watson and Crick described it well in their published work on DNA and its structure. ... This understanding of the structure of DNA is particularly important because it led to the realisation that if there is an adenine on one side of the pair, then the other base must be thymine.
The three ways mutations can occur are
Mutations arise spontaneously at low frequency owing to the chemical instability of purine and pyrimidine bases and to errors during DNA replication. Natural exposure of an organism to certain environmental factors, such as ultraviolet light and chemical carcinogens (e.g., aflatoxin B1), also can cause mutations.
