Answer:
The problem described in this excerpt is the academic competition African girls face in public schools.
Explanation:
The excerpt from "wheels of change" focuses on the African female student and what stands in the way of her education, in comparison to the male student.
It highlights the amount of chores the African female students have to do, the time limitations imposed by these chores and the nature of the chores, such as taking care of younger siblings, something the male child isn't asked to do.
The excerpt shows the academic competition that African girls face while trying to attend school.
facilitates exchange of goods within the country
It transfer sound waves from the ear to the fluid of the cochlea. As the eardrum is 20 times bigger than the oval window, which closes off the cochlea, this increases the force of the vibrations to allow them to pass to the liquid of the cochlea
