in figure pa and on are tangents to the circle with centre Obsich that angleAPB is equal to 50⁰ then the measure of angle PRQ is
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Step-by-step explanation:
The four gases which constitute only one percent of the total volume of the atmosphere include argon, carbon dioxide, Nitrogen, and oxygen. Explanation: The other gases in the atmosphere include "nitrogen which is at 78%" and "oxygen of around 21%", "argon which is at 0.93%" and "carbon dioxide which is at 0.04%".
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