Geographycally speaking, Russia is situated North and West of China.
They are both countries which expand on a vast territory and confine with many countries:
China also confines with: North Korea on the East, Mongolia on the North, Kazakistan, Kirghizistan, Tagikistan, Afghanistan, Pakistan and India in the West, and Nepal, Bhutan, Myanmar, Laos and Vietnam in the South.
While Russia confines with: Kazakistan, Mongolia and Georgia on the South, Ucraina, Belarus, Latvia, Estonia and Finland on the West.
Answer:
The length of the third side is 2.
Explanation:
According to figure, we have a right triangle. The missing length can be determined by Pythagorean Theorem:
(1)
Where:
- Hypotenuse.
, 
- Legs.
If we know that 
and 
, then the missing length is:
(2)
The length of the third side is 2.
Based on the choices given, the statements that define a tsunami are:
<span>
A deep-water wave that is caused by an undersea earthquake.
A tidal wave
A seismic sea wave
Tsunamis can be triggered generally by disturbances below or above water. Moreover, tsunamis are particularly destructive due to their massive heights that have the potential to drown cities and towns nearby from where they originate. </span>
Its found in the hydrosphere.
