Science

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1. thermodynamics

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2. PE

   Which of the following is the correct order from most complex to simplest for the levels of organization in the human body? A. cells, organs, organ systems, tissues B. organ systems, organs, tissues, cells C. organ systems,

3. Biology

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4. pre - CALCULUS

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1. physics

   Consider two closed systems A and B. System A contains 3000 kJ of thermal energy at 20°C, whereas system B contains 200 kJ of thermal energy at 50°C. Now the systems are brought into contact with each other. Determine the

2. Science

   Which of the following body systems work together to get cells the nutrients they need to carry out cellular respiration? A. the digestive and respiratory systems B. the respiratory and circulatory systems*** C. the digestive and

3. Physics

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1. Science

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2. world history

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3. science

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4. Science

   Which is the SIMPLEST level of organization in a human being? A) cells B) organs C) tissues D) organ systems C?

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