Ozone is the pollutant that forms when automobile emissions react with oxygen gas and ultraviolet light.
Answer:
an individual having two different alleles for a specific trait.
Explanation:
Answer: Option B.
Biogeographical
Explanation:
Biogeographical evidence is the evidence that provide information of organisms distribution over geographical areas. It provide information on how and when the organisms evolved and common descent.
Frombthe question, biogeographical evidence will help Darwin make his observation
The correct option is B. 80% of the radioactive phosphorus used in the experiment entered the cell showing that DNA was the hereditary material.