What is the main role of rivers in nature?

• To provide entertainment

• To support life and keep balance

• To replace the ocean

• To stop rainfall

Why were ancient civilizations built near rivers?

• Rivers were easy to paint

• They gave water, food, and transport

• They had beautiful sunsets

• They were far from enemies

Which of these cities developed by a river?

• London by the Thames

• Madrid by the desert

• Tokyo by the mountains

• Mexico City by the volcano

What do rivers provide for plants?

• Entertainment

• Strong winds

• A constant supply of water

• Animal shelters

Which animals depend directly on rivers?

• Frogs, fish, otters

• Camels, lions, giraffes

• Penguins, polar bears, seals

• Eagles, wolves, foxes

What happens if a river becomes polluted or dries up?

• The balance of life is broken

• New species always appear

• It creates more farmland

• It becomes stronger

What do rivers leave behind when they flood?

• Sand only

• Rich and fertile soil

• Stones and rocks

• Salt and ice

Why is fertile soil important?

• It helps farmers grow crops

• It makes rivers larger

• It builds houses naturally

• It reduces rainfall

How do rivers help oceans?

• By drying them out

• By carrying nutrients to them

• By stopping fish from growing

• By removing all salt

What natural process cleans river water?

• Passage through sand and rocks

• Evaporation of clouds

• Trees blocking sunlight

• Strong winds