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Answer:

Neptune's atmosphere is composed up of many gases. These gases include Hydrogen (80%), Helium (19%), and Methane (1.5%). Some of the minor gases include trace amounts of Hydrogen Deuteride and Ethane.

Step-by-step explanation:

Answer:

So comp angles are 90 degrees so 90 times 2 would be 180 plus 10 would be 190? Um.... try that ig?

Step-by-step explanation: