Convection currents within the Earths mantel are caused by the rising and falling of magma dies to temperature change. As the magma rises and gets farther and farther from the core, it begins to cool down causing it to sink back down towards the core, this is also how heat, materials, and minerals are transferred within the Earths Mantel.
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Answer:
During diffusion, molecules move from areas of
⇒ high concentration to areas of
⇒ low concentration.
Diffusion does not require
⇒ energy to move molecules.
Answer:
Microbes like bacteria replicate by the method of binary fission. The bacterial cell split giving rise to two new daughters by this process. The offsprings produced by this method are identical to the parent cell. Their growth will also be similar to the parent cell.
However, exchange of DNA segments can occur from one bacteria to another by the method of conjugation, transformation and transduction. The method of conjugation occurs by formation of sex- pilli.
Explanation:
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