Answer:
The soil is called chernozem. The grasslands are known as steppes and they are found between the Ukraine and Russia.Together with the forest -steppe, the steppes form the chernozem belt, the agricultural heartland of Russia. The forest-steppe is black chernozem soil, high in organic matter (OM) and minerals, and better watered than the steppe.
Explanation:
Answer:
(A) greater than standing crop of fish
Explanation:
Biomass -
It is the mass of the living organisms in a particular area of the ecosystem at a particular time . It even includes the animals , plants and microorganisms .
It is the total mass of the community or the average mass per unit area .
The biomass of the phytoplankton are always more than the biomass of the fish .
Hence the correct statement would be (A) greater than standing crop of fish .
Answer:
c) As seen from Earth, the planet's orbit must be seen nearly edge-on (in the plane of our line-of-sight)
a) You must be able to precisely measure variations in the star's brightness with time.
g) The planet must have an orbital period of less than about 1 year.
Explanation:
Answer:
Advantages.
1.Fertile land for farming especially rice
2.plenty of water for fishing or agrictulture.
Disadvantages.
1.mosquitoes are attracted to water (malaria,dengue).
2.ares are at a constant risk of flood.
