Geography - Rivers and Oceans - Lesson #3

Question 1

How do rivers affect the land?

Answer 1

Rivers shape the land as they flow over it. They may form valleys, floodplains, and deltas. Rivers also cause flooding to low-lying areas.

Question 2

• What is an estuary?

* What is the worlds largest estuary?

Answer 2

• An estuary is a body of water where the river meets the sea and it contains a mix of fresh and salt water.
• The worlds largest estuary is the gulf of St. Lawrence.

Question 3

How do rivers affect habitats?

• what are they?
• what do they provide to plants and animals?

Answer 3

• Rivers are ecosystems.

- They provide variety of habitats for plants and animals that live in the water, on the riverbed, or on the riverbanks.