Answer:
B. pharynx
Explanation:
The pharynx is part of the digestive system as well as the respiratory system because it carries both food and air.
Brainlist pls!
b
A. 6000 N
v²=u²+2as
0²=20²+2x30xa
-400=60a
a=-400/60
a =-6.667m/s²
f =ma
f = 900 x 6.667 = 6003N
F = 6000N
c