What kind of waves are P and S waves?
A) surface waves
B) interior waves
C) body waves
D) sound waves
Question 2
What is one additional approach, besides the study of the baseball, that geologists use to gain knowledge about Earth's interior?
A) Geologists infer the interior composition at deep levels from calculations of Earth's density.
B) Geologists collect and study data from volcanoes, mainly about the lava, to gain knowledge about the interior.
C) Geologists use energy from earthquakes to construct images of Earth's interior.
D) Geologists go as far into the center of the earth as possible by exploring in drilled boreholes and mines, going as deep as possible.
Examples of four different types of cells from the body. Although each cell has a cell membrane, nuc
Glands in human body
Waves in Deep and Shallow Water
Growth of the body and brain is dramatic over the first 2 years.
Insect Body Plan: Grasshopper