I'm pretty sure its C. sonar.
People migrate for a number of reasons. These reasons may fall under these four areas: Environmental, Economic, Cultural and Socio-political. ... Poor economic activity and lack of job opportunities are also strong push factors for migration.
Answer:
B. P waves can travel through liquids
Explanation:
P waves or primary waves are elastic waves produced from an earthquake. They are the first waves that arrives a Seismic station when an earthquake disturbs the earth.
P and S waves are both body waves that moves within the earth.
P- waves travel faster than S- waves and can propagate through any medium. S-waves or Secondary waves are shear waves that can only propagate through soilds.
Both waves are longitudinal and moves parallel to their source of propagation. They move by disturbing other particles in their line.
Transverse waves are the love and rayleigh waves. They are both surface waves that travels and cause disturbance on the surface of the earth during an earthquake. They move up and down.
Answer:
The Great Leap resulted in tens of millions of deaths, with estimates ranging between 18 million and 45 million deaths, making the Great Chinese Famine the largest in human history.
Explanation:
Answer:
through increasing trade Brazil's long coastline helped the country to develop
