vena ca Counting of pulse rate is an indirect method of counting of the heart beat. If the pulse rate of healthy adult human is 80 per minute. Calculate the number of times your cardiac muscles contract in 1 hour. TATL-11:​

The virus is considered to be are living item since they have hereditary material dnas or rnas. they can imitate and change. they respond to boosts, for example, radiation, chemicals, and warmth. they have antigenic properties. they are proficient to duplicate with a same hereditary constituent.

Very hard to understand

Ithink all of these events

D. china is one of the most active places, which could quite possibly mean more agriculture will happen.. and more war machi-    best of luck comrade.