B. Because of the presence of hydrogen sulphide in Brass, it combines with oxygen in air and form water, evaporates. So remained sulphide is colourless in air .So Brass gets discoloured in the air.
1/4 if by express you mean in the genotype
1/2 if by express you mean in the phenotype
<span>The environment has a greater amount of long nectar tubed flowers and short nectar tubed flowers causing disruptive selection in medium bill length birds.
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Answer: only one owner
Explanation: I just did the quick check!
Answer:
DNA, RNA, Proteins, the genetic code, ribosomes, phospholipid membranes, DNA polymerase for DNA replication, RNA polymerase, ATP-ase (=ATP synthase).
Explanation:
Reductive Citric Acid Cycle is not present in the anaerobic organisms.