Answer:
because Wakanda was hiding all the Vibranium....honestly cos it's a third world country, and when they had the chance to like....build a better society, they got enslaved
P is parentheses
E is exponents
M is multiplication
D is division
A is addition
S is subtraction
Answer:
1 advantage is that oil is a constant power source and 1 disadvantage is that oil is highly flammable.