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:
To show accurate relationships between types of organisms and to group them into linnaean categories <span />
Answer: noun
Explanation:the study of the physical features of the surface of the earth and their relation to its geological structures