Hard-boiled eggs have often been used to model the layers of Earth’s interior. Which choice describes how heat would move through Earth’s layers? A. Within the yolk only
B. From the shell to the yolk
C. From the yolk to the white
D. Around the yolk in the white

13. SC.6.E.7.4 (2 questions on this standard): Many interactions occur among systems, such as the atmosphere, biosphere, hydrosphere, and geosphere. Of the systems mentioned, which scenario describes an interaction between two different “spheres”?
A. Arctic hare eating woody plants in Alaska
B. Runoff from farming areas into local streams
C. Erupting volcano releasing water vapor into the air
D. Magma cooling and solidifying before it reaches Earth’s surface
EXPLAIN