Answer:
Fallow land is the land left bare without growing any crop for a season. Fallowing ensures that the decayed vegetative matter helped to increase the plant nutrients in the soil. Also, it helps to increase the sub-soil moisture and improves the general structure of the soil.
Explanation:
Answer:
Glacier Landforms: Trough. Glacial troughs, or glaciated valleys, are long, U-shaped valleys that were carved out by glaciers that have since receded or disappeared. Troughs tend to have flat valley floors and steep, straight sides. Fjords, such as those in Norway, are coastal troughs carved out by glaciers.
Or: Steep U shaped valleys that connect with the sea and fill with water when the glaciers melt. Now keep scrolling;)
Explanation:
Answer:
The weight% of 
in augite is 13.16 %.
Explanation:
Atomic mass of calcium = 40 g/mol
Atomic mass of iron = 56 g/mol
Atomic mass of magnesium = 24 g/mol
Atomic mass of sodium = 23 g/mol
Atomic mass of aluminum = 27 g/mol
Atomic mass of silicon = 28 g/mol
Atomic mass of oxygen = 16 g/mol
Mass of 
Molar mass of the augite 
= M
Weight% of in augite:
The correct answer would be coal.
