The method to reproduce a plant by burying a portion of its stem is called layering.
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The best answer is "foreshocks before the quake and aftershocks after the quake".
These terms are used to characterise the events of an earthquake over time. Foreshocks are small shocks that can occur before the main seismic event. Aftershocks, like foreshocks, are smaller seismic events that can occur after the main seismic event.
Answer:Rotary evaporator
Explanation: Rotary evaporator is used to evaporate or eliminate solvents in a solution. Due to the fact they were analyzing pure substances it was not necessary to use this equipment.
