Air is the most basic need for the human life since it supports life and its existence. People, plants, and animals cannot survive without air. Air is readily available to all living things and it also forms a layer of insulation against the harm...Research-Paper-on-air-pollution- …

Source 1. Life magazine. 'Life Magazine "Identifies The New Teen - Age Market,”'. Life magazine 2015: n. pag. Print. Following the Second World War, there was the emergence and growth of a teenage market referred to as the Baby Boom ...History-of-the-United-States …

Many researchers have developed different opinions about reasons that lead to the collapse of theRoman Empire. Different records by the historians show varying opinions to the reasons that contributedto the fall of the Roman Empire. Some historians s...Reasons-for-roman-empire-decline …