Answer: A. ionic
In ionic bonds electron are transferred from one atom to another. In ionic bonds , the metal atom loses electrons to become positively charged cation whereas the nonmetal atom accepts those electrons to become negatively charged anion.
Troposphere.
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The answer to this question is b carpel that's the answer
When writing a hypothesis, you need to be able to say IF this, THEN this will happen.
Alot of humans might not now they are even harming the systems by smoking or littering.