Producers produce a product
Consumers buy that product
Answer:
having a smooth or lubricated surface may help decrease friction.
Explanation:
Answer:
The mass number (A), also called atomic mass number or nucleon number, is the total number of protons and neutrons (together known as nucleons) in an atomic nucleus. The mass number is different for each different isotope of a chemical element.
<span>The answer is curie.
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