Answer:
Slave trade was abolished in Britain quite early on but there were other countries that carried on in the slave trade. Between the 15th and the 18th century, millions of slaves were transported to north and south America. Over 1.5 million of these died on the journey.
The Finnic branch of the Uralic languages, named for Ural.
Answer:
the process of improvement
Zionism was the Jewish nationalist movement to create a Jewish homeland.
Answer: Ozone is considered as chief polluting gas.
Explanation:
The ozone is a ground level pollutant. It is a colorless gas. It causes irritation in the eyes and respiratory tract. It is one of the components of smog as it causes pollution in the atmosphere. It is produced by the two primary pollutants that are nitrogen oxides and volatile organic compounds when they react with the sunlight. The ozone makes the air irrespirable. It is the main cause of throat irritation, labored breath, pain in chest and also responsible for respiratory diseases. It reduces the body's ability against infection. The ozone depleting substances like aerosol, chlorofluorocarbon are widening the ozone depleting zone as halides present in these substances react with the ozone causing depletion. This allows the entry of harmful ultraviolet radiation penetrating the atmospheric layers.
