The two ovaries contain about 400,000 oocytes. in which period of a woman's life are these oocytes formed? a. when she is older than 55 b. when she is around 8 to 14 years old c. when she is in her mother's womb

chert is a sedimentary rock composed of microcrystalline or cryptocrystalline silica. with this little bit of information, you can come to the conclusion that your answer is c.  

explanation:

the principles and empirical processes of discovery and demonstration considered characteristic of or necessary for scientific investigation, generally involving the observation of phenomena, the formulation of a hypothesis concerning the phenomena, experimentation to test the hypothesis, and development of a conclusion that confirms, rejects, or modifies the hypothesis.