Four substances are involved in

  1. Which of the following must be the same before and after a chemical reaction?Answer: The sum of the masses of all substances
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    2. Jessica asked by Jessica
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  2. Four substances are involved in both photosynthesis and cellular respiration. They are sugars, water, oxygen, and carbon
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  3. A change in _____ means that a chemical reaction has occurred.A) the energy and mass B) the kinds of atoms involved C) the
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    2. welp_oh_dear asked by welp_oh_dear
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  4. what cells are involved in the diffusion of substances?(Broken Link Removed) All cells are involved in diffusion, across thier
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    2. Kim asked by Kim
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  5. Explain:Classification of Matter: Matter can be classified into two main categories: pure substances and mixtures. 1. Pure
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  6. Explain of each:Classification of Matter: Matter can be classified into two main categories: pure substances and mixtures. 1.
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  7. Explain in tagalog.Classification of Matter: Matter can be classified into two main categories: pure substances and mixtures. 1.
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  8. Gather evidence by observing what happens when you mix two substances together in the Sim. If you cannot use the Sim, watch a
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  9. WHAT ARE THE DEFINITION OF DRYING AGENT;DELIQUSCENT SUBSTANCES;HYGROSCOPIC SUBSTANCES;EFFLORESCENT SUBSTANCES.
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    2. SAMIRA asked by SAMIRA
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  10. The table below lists 4 substances. Two of the listed substances are elements and two of the listed substances are compounds.
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