Some advances is that organelles, cells, and the difference between the cells of a plant and a cell of an animal. This was an advance because not only did we discover new things but we learned how or body functions with them and how they work. Hopefully you got what you were looking for. :)
Answer: Vestigial structures
Explanation: Vestigial structures are an anatomical feature or behavior that no longer seem to have any purpose in the present form of an organism in the given species. Usually, they are often parts of the body that used to preform important functions in earlier forms of the organism.
Answer:
Option A
Explanation:
In a circular economy, good/services/monetary object is in continuous usage up till its maximum value. The good/services/monetary object keep on moving from one service life (one user) to other service life (other user) as they are regenerated and recovered at the end of each service life.
In option A, thrift store has been used to its full extent in one service life and then it is donated (start of second service life)
Hence, option A is correct
B. half of the boys are normal and half of the boys are color-blind. ( boys are most likely to get color blond than girls, the girls can also be carrier like the mother)
