A contour line is a line of 'equal height': every point on a contour is the same height above sea level.
The closer any two contour lines are the steeper the hill is: and the further apart they are the move level the ground.
If a group of contour lines suddenly move to form a V shape then the hill either has a promontory sticking out from it or a valley in it.
One of the most important ways in this cooperation is the foundation of the IJC international Joint comission that promotes cooperation on boundary waters. Also regarding save waters from pollution, these two nations created the Great Lakes Water Quality Agreement. In these two ways they are working together to prevent future issues
It can support life and life can easily thrive
Answer:
v = 215.207 m/s
Explanation:
given,
distance between center of condensation and the center of adjacent refraction (λ) = 70.10 cm = 0.7010 m (∵ 1 cm = 0.01 m))
frequency = 307.0 Hz
to calculate how fast the wave is moving
V = ν λ
v = 307.0 × 0.7010
v = 215.207 m/s
hence, the wave is moving with velocity of v = 215.207 m/s
