Answer:
True.
Explanation:
in the early 1900s development of Salvarsan, an arsenic-based drug to treat syphilis.
Most scientific questions are based off of theory.
Answer:
Yes you are right it is the 3rd one ( container for the fertilized egg).
Answer:
The types of DNA and the bones structure
Explanation:
bc many of these animals had descends of other animals and we can see it by the bone structure that they are almost the same