Hunting and poaching have been devastating for the decline of many animal species, and even extinction of some of them. The problem is that the hunting has been too large for a long time, and the animals and their well being have not been taken into consideration at all, and even some animals have been killed off deliberately so that they are exterminated. This has led to lot of animals becoming endangered or extinct. The poaching is a much bigger problem in the past century, as the hunting has been very strictly regulated. The poaching is illegal hunting and capturing of animals. As lot of animals are very expensive on the black market, lot of people are tempted to capture or kill them and then sell them to get some money. This has led to further decline and endangerment of lot of species across the globe.
Seismic and the Earth. they came. Geologists use these records to establish the structure of Earth's interior. The two principal types of seismic waves are P-waves (pressure; goes through liquid and solid) and S-waves (shear or secondary; goes only through solid - not through liquid).
