No. The reason for this is that people who have hearing from both sides use the latency that comes to one ear compared to the other to determine the location of the sound. Judging by this, people who are deaf cannot determine a location of a sound because they cannot calculate the difference between one and other ear.
B) left ventricle → left atrium → pulmonary artery
You didn’t link the statements but i think the earth life originates from the big bang which formed small living organisims.
