In 2010, experienced a major a disaster that struck outside the city of port-au-prince.
a.
haiti . . earthquake
b.
peru . . flood
c.
brazil . . landslide
d.
chile . . earthquake

It would be A.) Haiti/Earthquake!
It happened in 2010 there were more than 3 million people affected.
I hope all is well, and you pass! Good luck, rockstar!

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Amath expression is a collection of one or more terms, which are separated by the signs ( + , - , x , / ).example :   8+b8+b  or  a−3a−3in algebra, an equation is a mathematical statement with two expressions where, each expression is separated by an equal (=) sign. variables can be present on both the sides of the equality (=) sign and we use letters to denote such variables.example 1:   x=4+2x=4+2  , [here, we can observe that the variable is present only on one side of the equation].example 2:   2x+3=x+42x+3=x+4  , [here, we can observe that the variables are present on both side of the equation].