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Q.134Kindly check the image and Answer only if you are 100% sure! It needs to be right answer!! And Please be quick It's Urgent! I'm grateful for the sincere answers.

Answer»

For decades, scientists believed that theatmosphere of early Earth was highly reduced, meaning that oxygen was GREATLY limited. Such oxygen-poor conditions would have resulted in an atmospherefilled with noxious METHANE, CARBON MONOXIDE, hydrogen sulfide, and ammonia
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