Answer: b) earthquake activity
Options:
a) earth's density
b) earthquake activity
c) volcanic activity
d) atmospheric composition
Explanation:
Earthquake activity
: Seismic waves are responsible for the earth trembling during earthquakes. An earthquake occurs as seismic waves travel through the interior of Earth’s surface. A seismograph measures the characteristics of these waves such as how fast they travel as well as their strength.
By studying these attributes in different places, scientists come to understand the makeup of earth’s internal structure. The type of seismic waves most important to this study are body waves which travel through the earth’s interior
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The lithosphere a combination of the crust and the uppermost brittle layer of the mantle is divided into tectonic plates, including the seven major tectonic plates.
As stars get older they get cooler and you know when you light a flame the part at the bottom is hotter so its also applies to stars, the star is very hot because it is newer and has more gas so it appears blue to us
The answer is C, sailboats could carry large cargos!
