Answer: The answer is A, A new element or different atom formed from the original two.
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-<em>TanqR</em>
Answer:J.J. Thomson, he was using a high-vacuum cathode-ray tube
Explanation:(I Googled it)
3 these are 5,6&7 are the significant
River sources tend to be at the top of mountains or areas of high elevation. This means that rivers impact the entire terrain from mountains to seas and oceans.
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