Supplementary angles add up to 180, so
6x+60+90 = 180 and solve for x
6x= 30
x=5
Argon monatomic in nature because it is a noble gas and has completely filled shells and thus does not form a bond with other elements.
The endothermic reaction would be D. Batter becomes a pancake when heated. This is because the batter is absorbing the heat in order to turn into a pancake.
Answer is D. Batter becomes a pancake when heated.
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