Answer:A
Explanation:circulatory system functions
This is a difficult question to answer with the given information...could you add more
Answer: All models have limitations because they are not representative of every possible scenario. They use current knowledge and scientific data, but as those are subject to change, the models based off that knowledge and data are subject to change as well.
Explanation: Brainliest please, if I helped you! :)
Answer:
Antony Van Leeuwenhoek
Explanation:
Discovering bacteria and creating more than 500 simple microscopes
