this is very simple.
act of human means that either the will or knowledge is absent while human act is the complete presence of the will and the knowledge.
a man is cheeting on his wife and she catches him in the act.
Acts of man are instinctive and are not under the control of the freewill. Here are some examples: breathing blinking sweating sneezing yawning These are just some examples. Any action performed by a man but not under his control or actions not controllable at all are acts of man.
It depends on the cause of the fire. Arson is an Act of Man. A forest fire is an Act of God.
HIV
The act of pillaging.
Some examples of man made fibres are: nylon, polyester and acrylic :)
UFC Match?
Man vs man
Do you mean 'sympathetically"?
The act or process of inferring
In Act 4 of which play or novel are you referring to?
Water, ammonia, and alcohols are examples of molecules that can act as both hydrogen bond acceptors and donors.