The chattahoochee river runs from north georgia southward to the state's border with florida. despite being over 400 miles long, it is not a major artery for trade. why is this the case?

The correct answer is D) Parts of the Chattahoochee contain waterfalls that are impossible for boats to get around.

The Chattahoochee River runs from north Georgia southward to the state's border with Florida. Despite being over 400 miles long, it is not a major artery for trade because parts of the Chattahoochee contain waterfalls that are impossible for boats to get around.

The Chattahoochee River is one of the most important rivers in the state of Georgia. It has its origin in Chattahoochee Spring, in Habersham County. This river connects with other two rivers on its way to the border of Florida: the Chestatee River and Soque River. The problem the Chattahoochee River has regarding transportation and trade is that some parts contain waterfalls, making navigation difficult.  

The other options of the question were A) People have not thought about using it for trade. B) The Mississippi River is much longer than the Chattahoochee. C)Florida forbids boats from passing into Georgia without paying high fees.

this null effect is caused by a weak manipulation and ineffective internal validity. in a scientific study, as the one dr. morimoto is trying to perfom, internal validity refers to the confidence placed in the cause-effect relationship and to how well an experiment is done and able to eliminate confounding variables.