Witnesses reveal what someone has done. For example when someone does a bad thing and you saw it, that means you were a witness that the person did the do that bad thing.
The emergence and spread of Islam threatened the power and prosperity of the Catholic Church from the beginning, i.e., the fall of Jerusalem in 636. From then on Muslim armies took all the important cities of Christianity, such as Damascus or Antioch. Muslim armies relentlessly attacked christianity centers, including the siege to Vienna in the 1520´s.
Biotic: Producers(plants)
Herbivores(animals or organisms that don't eat meat)
Carnivores(meat eaters)
Abiotic: Light
Water
Temperature
Everyone is going to get the new smart phone when it comes out this weekend.