True
The more the number of shells will let go of their outer electrons more easily because the effective nuclear charge on the outer (valence) electrons will be lower. This is called 'shielding', the outer electrons will be shielded from the nucleus by the inner electrons.
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I believe the answer is valcanos because they release sulfur in to the air and other chemicals so it willl affect the anispher
Newton's first law of motion is that an object in motion will tend to stay in motion unless an external force acts upon it.
Choice C.
That's when convection stops.