It is considered a pandemic diseas because it has reached around the world and has potential to affect millions of lives.
Hedrogen is a pure substance of elements
<span>The correct answer is C. negative events have a great psychological impact than positive events. <span>This is because our brain processes negative information in a different way, so we usually use more energy to think about the bad situation than that used in a positive situation, so finally we will remember better the bad situation.
I hope the answer can help you.
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Answer B
Explanation: common sense