Global cultures not hard i'm just slow

1. customs
2. idk i feel it could be either
3. dialects
4. conflict
5. cultural
6. classes
7. order
8. authority
9. natural resources
10. religions
11. diffusion
12. gathering (im not that sure)
13. i cant read it sorry
14. cant read it
15. civilizations
16. transport
17. bah sorry i dunno man

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].