What is the approximate travel time for the first P-wave and the first S-wave recorded at a seismic station located 9000 kilometers from an earthquake’s epicenter?

Which of the following is a consequence of urban heat islands? increased precipitation downwind of the city? increased precipitation upwind of the city? decreased winds within the city? increased winds within the city?

Astudent is looking through a microscope at some cells of an onion root tip. many of these cells are undergoing division since the root tip grows quickly and requires more cells. which cell most recently underwent metaphase? w x y z

Ture or false evidence for evolution includes millions of fossils