Waterways, such as rivers and seas, are important trade routes of transportation and trade. True or False?

True!

Explanation:

Think of all the foreign trade between the hundreds of countries, usually separated by ocean or river...Also, most famously, boats use waterways as transportation for people!

answer; researchers typically cannot control people's sexual behaviors as would be necessary in an experiment;

all cities have a governor

all cities are in states or provnies then country

all cities have people

difference

some are rich

some are poor

some are average