Where does an earthquake’s motion occur first? focus s wave epicenter p wave

Which are results of technological advances? increased people's exposure to new ideas created a global culture valued by people around the world brought harmony to diverse groups of people reduced the number of people living in rural areas

What are the similarities and differences in the way geologists and biologists approximate the age of the earth? justify your response in two or more complete sentences.

What structure on the south african coast has a range of 63 km and releases flashes every 30 seconds?