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Why are elements and compounds classified as pure substances? How do mixtures differ from pure substances? What is the main difference among solutions, suspensions, and colloids?
Viewed 3084 times - Created inside Science. Why are elements and compounds classified as pure substances? How do mixtures differ from pure substances? What is the main difference among solutions, suspensions, and colloids?
Viewed 5531 times - Created inside Science. Although scientists do not agree on one definition of life, they do agree aht an organism is considered to be alive as long as its cells perform certain life functions: nutrition, transport, respiration, excretion, regulation, growth, reproduction, synthesis, and metabolism.
Viewed 3382 times - Created inside Science. |
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