The two organs that help break down food mechanically are the stomach and the intestines (large and small intestines).
The stomach helps digest the food and the intestines help turn the food into waste.
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Explanation:
What are the three waves of an earthquake? Fastet to Slowest
ANS: An earthquake generates three kinds of waves: surface waves (L waves), which are the slowest and weakest; shear (S) waves, which are transverse waves and carry most of the energy; and pressure (P) waves, which are longitudinal waves and travel the fastest. The speed of P waves is approximately 7.0 km/s, and that of S waves is about 4.0 km/s.
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Answer:
Biogas is composed mostly of methane (CH4), the same compound in natural gas, and carbon dioxide (CO2).
Explanation:
