All answers are correct except the option "avoiding soil compaction"
Soil compaction makes the soil cohesively bound and make them less available for erosion.
Crop rotation holds the soil by increasing soil productivity and increasing the plantation that holds the soil
Mulching is the strategy adopted at farmland where straw blend is spread-ed over the soil mass to avoid its erosion.
Wind breaks are used at farmland to avoid or reduce soil erosion
Increasing the vegetation mean increasing the plants which through their roots hold the soil and prevent it form being carried away.
A hemisphere is one horizontal half of a sphere. In geographical terms, the sphere is the earth or a planet. Two halves make a whole so earth has to hemispheres, the northern and the Southern Hemispheres.
There were many farms near the Nile
Answer:
we have star dust in out vain's
Explanation:
And that iron in the haemoglobin molecule was created – it was manufactured by nucleosynthesis inside a massive star that blew up about 8 billion years ago. So inside you are the remains of a star explosion." NPR: "Stardust in our veins?" JT: "Absolutely – you are made of stardust."
Primitive subsistence agriculture is also known as slash- and-burn agriculture.