The ohio river flows mainly in a direction. a) north to south b) east to west c) southwestern d) northeastern

ANSWER:

The Ohio river is a river that flows in the mid-western United States.

EXPLANATION:

The rivers flow north-west out of Pennsylvania and then in a south western direction. The Ohio is the "second largest river" in US in term of discharge of water. The river flows along the "border of six states" of US. The largest tributary of Ohio is the Tennessee. The Ohio river is a source of 'drinking water' for more than 'three million people' in US. It also forms a drainage basin.

Answerdistinguish between the mercalli scale and the richter scale;