What is the body's first line of defense against pathogens?
♡ The Question ♡
- What is the body's first line of defense against pathogens?
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♡ The Answer ♡
- Mucous Membranes!
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♡ The Explanation/Step-By-Step ♡
- No Explanation/Step-By-Step provided!
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♡ Tips ♡
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volcanoes (an event in the geosphere) release a large amount of particulate matter into the atmosphere. these particles serve as nuclei for the formation of water droplets (hydrosphere). rainfall (hydrosphere) often increases following an eruption, stimulating plant growth (biosphere).
answer:
convection currents in the magma drive plate tectonics. heat generated from the radioactive decay of elements deep in the interior of the earth creates magma (molten rock) in the aesthenosphere. the aesthenosphere (70 ~ 250 km) is part of the mantle, the middle sphere of the earth that extends to 2900 km.