Describe the sequence of events in the formation of sand.

1) Sediments are buried.

2) Increase pressure of from the weight of the overlaying material pushes the grains closer together. 

3) The volume of the sediment is reduced & fluids between the grains are also squeezed out. 

4) Leaves sandstone tightly compressed together. 

b) trade is easy because of the direct line between their major ports. bilateral trade reached 89,6 thousand million.

answer; the department of energy's