Which statements are true about a grassland ecosystem?
grasslands receive less than ten inches (twenty-five cm) of rain per year.
the soil is rich in nutrients.
many birds of the grasslands build their nests on the ground. a large variety of trees grow here.
much grassland has been converted to grow crops. europe and asia are the only continents with no grasslands.

B. The soil is rich in nutrients.

Explanation:

Grassland is that kind of biome which is neither a forest nor a desert rather in between type. It has grasses which can be a foot or under it all or might reach up to seven feet.

The growth depends on the amount of rainfall received by it. On an average, the grasslands receive between 10-45 centimetres of the annual rainfall. The soil is very fertile due to the underground biome and optimum rainfall but the nutrients gets washed if heavy rainfall occurs.  

cancer   is   essentially   uncontrolled   mitosis   of specialized cells