I believe the correct answer from the choices listed above is option B. Igneous rocks are formed when molten material in the earth cools and hardens to form rocks. These rocks are formed by the solidification of magma or lava. It can happen below or on the surface of the Earth.
Star is to centuries as human is to days. im not sure if this really makes sense but stars live about 10 billion years so a really long time so they represent centuries and humans live on average to 79 so we represent days. if you want or think it makes more sense you could make humans even smaller (hours, minutes, seconds). hope this helped!
Because it depends on where they live and what is available around them
Bottom line: When charged particles from the sun strike atoms in Earth's atmosphere, they cause electrons in the atoms to move to a higher-energy state. When the electrons drop back to a lower energy state, they release a photon: light. This process creates the beautiful aurora, or northern lights