Answer: A - Terracing crop
Explanation: Terracing crop is a soil conservation strategy of growing crops on hill side by planting crops on graduated terraces perpendicular to the slope of the land . This method is useful in reducing soil erosion.
<span>Speciation because it is the formation of new </span>species<span> as a result of geographic, physiological, anatomical, or behavioral factors that prevent previously interbreeding populations from breeding with each other. Hope this helps! </span>
Answer:
The description corresponds to an observational study.
Explanation:
In Observational studies, researchers observe the effect of a risk factor without changing what is exposed to it or its conditions. On the other hand, in an experimental study, researchers can introduce a change and study the effects of it.
Answer:
B
Explanation:
A sinkhole, also known as a cenote, sink, sink-hole, swallet, swallow hole, or doline, is a depression or hole in the ground caused by some form of collapse of the surface layer. Most are caused by karst processes – the chemical dissolution of carbonate rocks or suffosion processes.
