The correct option is C.
Plate tectonic theory explains the structure of the earth's crust and the many phenomena that are associated with it. This theory enables the scientists to know that there are movements in the interior of the earth which are responsible for volcanic eruptions and earthquakes.
The chronometer is a device to measure time in a period of time, therefore not a correct answer.
Answer:
The podcast addresses secondary risks in the aftermath of an earthquake. These risks include damaged structures, the disruption of rivers due to debris buildup, and changes in groundwater. The podcast also points out that landslides are a common secondary effect of earthquakes. The podcast can help inform Japanese leaders of such risks so that they might successfully develop policies and procedures for handling future earthquakes and the recovery from their ensuing damage.
Explanation: Exact answer from Tutorial
Im pretty sure that it is...It is low in silica.
Hope this helps.....