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Global warming is the long-term increase in Earth’s average surface temperature due to the buildup of greenhouse gases like carbon dioxide (CO₂), methane (CH₄), and water vapor (H₂O) in the atmosphere. These gases trap heat from the Sun, leading to a warming effect known as the greenhouse effect. Global warming…
Grade 8, Science Chemistry Define Combustion?? Difference between Combustible and Non combustible substances?? Combustible substances Non combustible substances Substances that burn easily in air to produce heat and light are called combustible substances Substances that do not burn in air are called Non combustible substances Ex: Cloth, Wooden stick, dry…