Alvin was a deep sea vehicle which was used to explore the depths of the ocean. It sunk but was recovered and recommissioned in 1973 after which it discovered black smokers, a special type of hydrothermal vent which produces super heated water with a highly acidic pH. Thus, the answer is B.
He is credited with the discovery of Nucleic Acids.
Answer:
no idea as picture is not shown clearly
They can cause changes in a certain cell that can cause the growth or death in a cell.
