Answer:
ang economics
Explanation:
ay pagaaral tungkol SA produksyon distribution at pagpalitan Ng kalakal at pakkunsumo
Chalk is a soft white powdery limestone that's made with fossil shells of foraminifers. Chert is a hard dark opaque sedimentary rock which is made of silica with an amorphous fine grained texture.
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:
<span>A karst landscape in Minerve,
Hérault, France.Škocjan Caves, Slovenia.
The Puerto Princesa Underground River, Philippines.
<span>The karst hills of The Burren on the west coast of Ireland</span></span>