Discuss the challenges that a researcher may encounter while collecting data​

Researchers need to be extremely careful when collecting data. They must make sure that their data avoids bias, and account for any possibility of human error as well. They must also make sure that the steps taken to collect this data can be easily repeated for future replication.

the proximity of water was an advantage to western europe and its culture was able to flourish as a result. trade and travel by sea were easier and safer in historical times.

1. there are no mountains to protect it from the sea

2. and its has wet cool summers and wet, mild winters.