Everyday we observe chemical and physical changes in the matter around us. Which statement correctly describes a physical or chemical change? ( EXPLAIN WHY THE ANSWER IS CORRECT)
a. Physical changes create new compounds
b. Chemical changes break the bonds between atoms.
c. Chemical changes alter only the phase of a substance
d. Physical changes alter the composition of the starting materials.
Answers: 1
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Works together in the synthesis, modification, packaging, and transport of lipids and proteins
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Drag each tile to the correct box. the body monitors the levels of oxygen in the blood to regulate breathing. isabel is running in a marathon and is near the finish line. she feels out of breath. how will her nervous system work to generate a reaction? arrange the tiles in chronological order. isabel's breathing rate increases. sensory receptors in the arteries detect low oxygen levels. the brain sends signals through motor neurons. sensory neurons generate an impulse. the central nervous system relays an impulse to certain brain regions.
Answers: 1
Everyday we observe chemical and physical changes in the matter around us. Which statement correctly...
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