1. weakened Persian and Byzantine rule
2. effective fighting methods.
Officially recognized as the one of the seven wonders of the
modern world by the American Society of Civil Engineers, the Panama Canal was
and still is one of the biggest and hardest engineering feats ever
accomplished. It greatly reduced the
time necessary to get from the Atlantic to Pacific Ocean but unfortunately it
also led to the resentment of various Latin countries including Columbia towards
the US because of the role US played in the conflict between Panama and Columbia.
Answer:
The most common directly preserved fossils are unaltered hard parts of a living organism, like shells, teeth, and bones. ... After the remains of an organism have been buried and cemented within sediment, water percolating through the sediment leaches out the fossil. This leaves a cavity in the rock, called a mold.
Explanation:
