Which of the following shows the effect of natural forces on the activities of ancient civilizations? A.
They built high walls around their cities to protect them from invaders.
B.
They constructed road systems to allow trade with other countries.
C.
They constructed large religious monuments to honor their gods.
D.
They built seawalls around their harbors to protect them from large waves.

answer:

the majority of cambodians living today were born after the khmer rouge was ousted in 1979 and some who survived can forget how bad it was. when khmer rouge forces seized phnom penh on april 17, 1975, the couple was living with eight of their children in a rural town called kampong chhnang.

explanation:

crop rotation kepy different plants in the soil instead of once constintly. when switching out plants you have different nutrients being absorbed at different speeds and different roots growing differently therfore the spoil and water flow have to adapt and carry fresh nutrients to carry the constant changes that were going on in the soil.

what class is this for i can then