According to the homeland security advisory system, what color indicates an elevated, significant risk of terrorist attack?
a. orange
b. blue
c. yellow
d. red

The color that indicates an elevated significant terrorist attack is yello.

He was probably very upset and disapointed and mad. all at once. so he probably wanted to show his disapointment, angryness, and depression. he didn't think of the affects due to the minor issue thst he has gone through. sorry if it doesn't . but i am trynna people.

To solve their problems, mesopotamians used irrigation, a way of supplying water to an area of land. to irrigate their land, they dug out large storafe basins to hold water supplies these ditches brought water to the feilds. to protect their feilds from flooding, farmers built up the banks of the tigris and euphrates.hope ths !