When people hear a sound, their ears turn the vibrations in the air into neural messages from the auditory nerve, which makes it possible for the brain to interpret the sound. This process is called .

a) encoding
b) storage
c) retrieval
d) evaluation

a) encoding              

Explanation:

Encoding: In psychology, the term "encoding" is also written as memory encoding and is described as the very first step involved among the three different stages of the memory process. However, to create a specific memory, the brain of a person must encode or process a piece of information or new facts into a "storable form" in order to recall it whenever required or necessary.

In the question above, the given statement signifies the encoding process.

c

explanation: because you need to reduce the pollution on land,the exhaust fumes will stop,and stop it in water,the oil that is in the oceanharms the fish   sorry if you   have been waiting long