Hi can you me, im really stuck

a) the ear canal can often get blocked with wax. what effect does this have on hearing?

b) what is the eardrum made of ?

c) which part of the inner ear does not play a part in hearing ?
what is its job

1.

i had this question and the answer was 3.15 miles.

martina travels from school to her mom's office. from there, she walks to school. after school, she walks to the library and then to a friends house before finally ending back at home. find martina's total distance traveled.

a) 0 miles  

b) 0.4 miles  

c) 1 mile  

d) 3.15 miles