Answer:
The Carboniferous era had large deposits of coal matter in the soil. However there was absence of decomposers which gave rise to increased accumulation of organic matter in the soil.
Decomposers make use of oxygen to breathe in the soil due to their existence as animals and not plants. They inhale oxygen and give out Carbon dioxide.
Absence of these decomposers mean increased level of oxygen due to its non usage and reduction in CO2 which is the end product of respiration for the decomposers.
Answer:
Sand Dunes
Explanation:
The main features deposited by wind are sand dunes. Loess are wind deposits of finer sediments
Answer:
Five European countries rank in the top ten of the world's largest national economies in GDP (PPP). This includes (ranks according to the CIA): Germany (6), Russia (7), the United Kingdom (10), France (11), and Italy (13). There is huge disparity between many European countries in terms of their income.
Explanation:
Answer:
the most common political unit
