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:
Taiga is a Russian word that refers to an ecosystem characterized by snow and coniferous trees.
In English it is known as Boreal Forest or Snow Forest.
A large part of the Northern Hemisphere is made up of Taiga. Northern Russia, parts of Mongolia, Scottish Highlands, Northern Japan and Northern Canadian Provinces are all covered in Snow Forests.
The climate in these areas are generally cold and dry where a unique habitats has evolved comprising of Bears, Moose, Red Fox, Polar Bears etc.
El Niño is a natural event that periodically weakens the
western surface of ocean currents in the equatorial pacific ocean. In an El Niño,
the wind that pushes water around (which keeps the east warm and west cold)
gets weaker making the ocean warmer, changing the air temperature and precipitation patterns in the United States.
<u>Answer:
</u>
Subsistence farming is the level of crop output from a given level of input.
<u>Explanation:</u>
- Farmers grow "food crops" to feed themselves and their families. There will be little or no surplus trade as they get output for whatever input.
- This process is called subsistence agriculture or subsistence farming. They raise the livestock for their own’s use but not for any trade activities.
- For example: nomadic people raise a cow to provide milk to their own family.
- They give sufficient and necessary food for the cow an get the required quantity to suffice their family.
I think the answer is B.
Because one of the factors that has prevented it from being a more unified country is its geography. It's rugged, mountainous. It's very difficult for any invading army to develop or control it.
