Area near a sea having flat land and low relief
Proton positive; electron negative; neutron no charge<span>. </span>The charge<span> on the proton and </span>electron<span> are exactly the same size but opposite. The same number of protons and </span>electrons<span> exactly cancel one another in a neutral atom.
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hoped it helped
The source and the observer are moving towards each other. The observer is moving toward the source. The source is moving away from the observer
I’m not really sure but I think it’s D type 1 lever
