1. 2 second because it travels 10 meter in one second so in 2 it will travel 20 meter
Is this a question?or an answer
Answer:
Salt
Explanation:
Ocean water has salt in it unlike lakes and rivers
Answer:
The War I think
Explanation:
What led to the European disease was the cause of the war that made many Americans come and then it called the disease
B - FRONTS occur when two AIR MASSES meet!