Answer:
Towns grew up along the rivers which had access to the sea. Rivers also provided protection from invaders. Farmers grew crops in the fertile fields that surrounded the towns. The lack of mountains was good for farming, but it made the towns easier to be invaded by enemies.
Explanation:
Lines of latitude and longitude help you find a certain location on a map
Answer:
slope should be <em>positive </em>0.5
Explanation:
Perpendicular lines have opposite slopes
