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Sonal Chauhan
Sonal Chauhan
Asked: December 28, 2023In: Class 10 Science

Marked decline in the thickness of ozone layer was noticed in the 1980s. Which human activity can be held accountable for this change? What is the possible effect of this on human health?

Ozone layer depletion is the thinning of the ozone layer in Earth’s stratosphere, primarily caused by human-made substances like chlorofluorocarbons (CFCs). This leads to increased UV radiation, harming ecosystems and health.

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Rajshree Chatterjee
Rajshree Chatterjee
Asked: December 28, 2023In: Class 10 Science

Amount of urine produced generally decreases in summers as compared to other seasons if we don’t keep ourselves sufficiently hydrated. Justify.

Human urine is a liquid waste product excreted by the kidneys, containing water, urea, salts, and other waste compounds. It serves as a means for the body to eliminate excess substances.

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