How are seismic wave being used to develop an accurate image of earth's interior?

In attempt to solve the working problems created by the industrial revolution, the united states and many countries in europe considered and/or adopted

Average annual precipitation and are the two major features that define the biomes on earth.

Amale bird-of-paradise uses a dance to attract mates in which it flaps its tail feathers on the ground and jumps around a potential female mate. a different male bird-of-paradise does a similar dance but it jumps around the female in the opposite direction. the female bird is only attracted to one style of dance, in one direction. this is an example of speciation.