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Disciplinary Core Ideas LS1.A: Structure and Function - In multicellular organisms, the body is a system of multiple interacting subsystems

Sustainability Focus : Eco-friendly materials like recyclable PMMA and biodegradable plastics are gaining traction among environmentally conscious retailers

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This creates significant airflow resistance however, so HEPA filters require more powerful fans and energy usage in air purifiers

Children, the elderly, and people with pre-existing health conditions are especially vulnerable to the effects of secondhand smoke