The Ozone Layer: Protecting Ourselves from the Sun's Fury The ozone layer, a fragile shield in the Earth's stratosphere, protects us from the harmful ultraviolet (UV) radiation emitted by the sun. This radiation can cause sunburn, skin cancer, cataracts, and damage ecosystems. Understanding the threats to the ozone layer and international efforts to mitigate them is crucial for safeguarding our planet.
The Arab Invasion of India: A Turning Point in History The Arab invasion of India, while not a singular event, marks a significant period in the subcontinent's history. Spanning from the 7th to the 8th centuries CE, it initiated contact between the Islamic world and India, with lasting social, political, and cultural consequences. This essay explores the timeline, motivations, and impact of the Arab invasion on India.