The correct answer is seismic waves.
The middle layer of the Earth’s is called mantle. Mantle is dense and hot layer composed of silicate minerals. In the base of mantle secondary earthquakes disappear.
Seismic tomography is used for the imaging of this layer. It is an imaging technique that uses seismic waves generated by earthquakes to create images of Earth’s structure.
True if one species goes extint then we could lose food from them
<span>The best answer to the question above is (c.) follicle. In the female body, each egg is surround by a follicle, which breaks open when the egg is mature. This follicle helps the egg to move around and catch the sperm cells during the fertilization.</span>
