Explanation: Nickel atoms<span> have 28 protons in their </span>atomic nuclei<span>, giving </span>nickel<span> the</span>atomic<span> number 28. In addition to 28 protons, a </span>nickel atomic nucleus<span> contains 30 to 36 neutrons, depending on the isotope. ... The </span>atomic nuclei<span> of </span>copper<span> also include 34 to 37 neutrons, depending on the isotope.</span>
The Earth is 4.543 billion years old!
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abiotic components are non-living chemical and physical factors in the environment which affect ecosystems. Biotic describes a living component of an ecosystem
Explanation:
Answer:
A
C
A
Explanation:
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