<em>Your answer is:</em>
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The first level (or shell) can hold up to 2 electrons.
<h3>Hope this helps! C:</h3>
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We need to find mass number
Your answer is 40u
The phenomenon is known as the Greenhouse Effect.
When the sun's energy reaches the Earth, some is reflected into space, but the rest is absorbed by gases and warms the atmosphere. The phenomenon is known as the Greenhouse Effect.
