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Roll no.239
Foundation Level

Earth is a remarkable system where **chemistry and biology work together** to support life. From the air we breathe and the water we drink to the food we eat, chemical substances and reactions are constantly shaping the living world.

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Chemistry helps us understand the elements and molecules that make up living organisms, while biology explains how these substances interact within cells and ecosystems. **Carbon, oxygen, hydrogen, nitrogen, phosphorus, and sulfur** are especially important because they form many of the molecules essential for life.

Processes such as **photosynthesis, respiration, decomposition, and nutrient cycling** demonstrate the close relationship between chemistry and biology. Understanding this connection helps us explore Earth's ecosystems, environmental changes, and the chemistry that makes life possible.

**Chemistry explains the substances; biology shows how life uses them. Together, they reveal the amazing science of our planet.**
#rsisb Roll no.239 Foundation Level Earth is a remarkable system where **chemistry and biology work together** to support life. From the air we breathe and the water we drink to the food we eat, chemical substances and reactions are constantly shaping the living world. genui{"chemistry_atoms_molecules_matter":{"type_id":"ATOMIC_COMPOSITION"}} Chemistry helps us understand the elements and molecules that make up living organisms, while biology explains how these substances interact within cells and ecosystems. **Carbon, oxygen, hydrogen, nitrogen, phosphorus, and sulfur** are especially important because they form many of the molecules essential for life. Processes such as **photosynthesis, respiration, decomposition, and nutrient cycling** demonstrate the close relationship between chemistry and biology. Understanding this connection helps us explore Earth's ecosystems, environmental changes, and the chemistry that makes life possible. **Chemistry explains the substances; biology shows how life uses them. Together, they reveal the amazing science of our planet.** 🌍🧪🌱
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