Lithosphere
13 major plates
Asthenosphere
Explanation:
The surface or lithosphere of the earth is broken into about 7 major plates that floats on the liquid asthenosphere.
The analogy above describes the theory behind plate tectonics.
- The crust and the rigid part of the upper mantle forms the lithosphere.
- The lithosphere is broken down into series of pieces called plates.
- There about 13 plates on earth surface.
- The rigid plates moves on the weak asthenosphere below as a result of convection currents.
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Earth's layers brainly.com/question/13059175
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Answer:
The answer is A. Invented SCUBA
Explanation:
- Emile Gagnan and Jacques Cousteau were engineers who invented the first SCUBA device, the Aqua-Lung.
- Gagnan's most important contribution to this discovery was his theory that a valve commonly used in gas generator engines would be useful in regulating air supply under water in varying pressures.
Answer:
Actually, The ionic charging of : alkali is +1 alkaline earth metals is +2 aluminum is +3. That is the use periodic table to recall the lonic charge of an alkali metal, an alkaline earth metal, or aluminum
Explanation:
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