I would say,
Aa.
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And sorry for the user below ..☺☻
Answer:
Mass number
Explanation:
Isotopes have the same number of protons and electrons but different no. Of neutrons. As mass number = protons +neutrons.
Mass number should differ.
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One reason is because of its given color. Typically, Algae or moss grows in saturated areas. The reason it is been is because doc its pigment, or chlorophyll found in its anatomy.
Answer:
The most common elements, like carbon and nitrogen, are created in the cores of most stars, fused from lighter elements like hydrogen and helium. The heaviest elements, like iron, however, are only formed in the massive stars which end their lives in supernova explosions.
Explanation:
Anything that is considered alive must exhibit ALL 7 characteristics of life. A virus may show some characteristics, but it does not show all, so therefore, its not alive.
