3: Trees are very eco friendly and they are what help us breathe natural air. They have a impact in a pro and con way. Pro, they build more stores, homes, and things we need in those spaces. Con: They are killing our fresh air and we don’t need that. The world is already going through disasters, and we are getting animals extinct.
Answer:
helium, lithium, boron,
Explanation:
sorry these are all I can think of right now
Answer:
magnetic and electric fields are applied perpendicular to each other
Microwaves are electromagnetic waves which are composed of magnetic and electric fields oscillating perpendicular to each other.
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