Answer:
A
Explanation:
Tilling agitates the topsoil and removes ‘unnecessary’ vegetation so the main crop can grow without competition. Tilling improves soil aeration and drainage for plants to grow well. Nonetheless, it can lead to other consequences such as soil erosion because it loosens the soil and makes it easy to be carried away by wind and water.
Number 3
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Alphonse Bertillon was a French criminologist who first developed this anthropometric system of physical measurements of body parts.
Answer:
Archimedes principle
Explanation:
Any object, totally or partially immersed in a fluid, is buoyed up by a force equal to the weight of the fluid displaced by the object.
Answer:
When someone is openly getting bullied and pushed at, but no one helps
Explanation:
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