<span>The theory of Alkaline Vents theorizes that life originated deep under the sea around hydrothermal vents. This could be likely because these vents provide plentiful methane and ammonia. Critics, however, point out that high temperatures are not conducive to organic life.</span>
Answer:Sulfur atoms bonded to oxygen atoms. Like halides, they form where salt water evaporates.
Hope this helps
A extra genetic material at 21st chromosome i believe
Answer:
C. Uncontrolled muscle contraction
Explanation:
i don know