Monotheism is a religion and/or a belief system that involves one god. This means that if you believe in one god or your religion involves one only god then you would be considered Monotheistic.
Islam and Christianity are the two major monotheistic religions today.
The period of Earth's history<span> that began 2.5 billion years ago and ended 542.0 million ... Stromatolites are </span>rare fossils<span> after about 450 million years ago</span>