Lake Baijal is a beautiful lake located in the wilderness of Siberia. One extraordinary aspect of the lake is that it is the deepest lake in the world. Another feature of the lake is that it is the oldest lake in existence, formed millions of years ago. Scientists use Lake Baikal to study the effect of humans on the environment.
Which ideas should be included in this paragraph to create a complete summary of the article?
Select TWO correct answers.
The lake is covered with thick thin ice in the winter.
Shifting tectonic plates formed a rift valley that filled with water to form Lake Baikal.
The lake is home to thousands of plant and animal species.
Algae blooms that appear in the lake use up the supply of oxygen.
The preservation of Lake Baikal is important.
- The lake is home to thousands of plant and animal species.
- The preservation of Lake Baikal is important.