Which is a characteristic of an atom? Atoms are the largest unit of matter.

Atoms can be seen by the naked eye.

Atoms come in different varieties.

Atoms are created in the Earth’s core.

its atomic number

Explanation:

which is defined as the number of units of positive charge (protons) in the nucleus. For example, if an atom has a Z of 6, it is carbon, while a Z of 92 corresponds to uranium.

why is arctic sea ice important? arctic sea ice keeps the polar regions cool and moderate global climate. sea ice has a bright surface; 80 percent of the sunlight that strikes it is reflected back into space. as sea ice melts in the summer, it exposes the dark ocean surface.

it would be d. henry moseley

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