The shadow zone exists because: O A. sunlight blocks out S waves in certain regions.
B. seismic waves cannot travel through liquids.
C. P waves reflect as they travel through Earth.
O D. the mantle and core are composed of different material.

Write a paragraph that provides examples of each stage of volcanic activity, a description of the volcano, and facts about each stage.

Electrons are extremely important to what area of technology? a) anti-aging research b) household product development c) electronics d) drug discovery

Sally is making a model of a magnesium atom with an atomic mass number of 24 for her chemistry class. she has foam balls for the protons, neutrons, and electrons. she has added 6 neutrons to her model so far. how many more neutrons does she need to add to complete her neutral atom of magnesium?