Their difference is that Eukaryotes posses nucleus & nuclear bound organelles whereas prokaryotes doesn't!
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1. natural selection acts on existing traits because you can not evolve into something you didn't have
2. original structures evolve to accomplish new function in order to survive
Answer:
Pb has an atomic mass of 82. If an atom of that element has an atomic mass of 80, that atom is known as: an isotope.
Answer: i belive its A but i may be wrong sorry if i am
Explanation:
Answer:
Search up Periodic Table of elements number
Explanation:
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