The Gatwick airport is the busiest one runway airport in the world.
Answer:
There are 54 countries in Africa, today.
Explanation:
Th correct answer is letter A. Echo sounding is very useful for depth profiles where SONAR is used to determine the depth of water through the transmission of sound pulses. It is calculated by checking the interval between the mission and the pulse that is recorded within the SONAR device.
The answer to your question is: D. rainfall and ocean waves.
Looking at both figures shows that rain and the waves have changed the terrain.
I would say America has many different cultures mixed in. So many races live in America .
