Answer:
D
Explanation:
when you remove some things on a ecosystem the ecosystem will decrease
The DNA migrated to the positive pole of the electrophoresis chamber because the DNA's chemical structure is negative.
As we know, opposite attracts. Negative is attracted to positive, that is why the DNA migrated to the positive pole of the electrophoresis chamber.
Answer:
The atomic number of phosphorus is 15. It has zero charge because it has 15 electrons.
Answer:
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