there is not enough oxygen
Because a cactus can't grow in clayey soil and there is a lot of water in the marshes, the cactus does not need a lot of water
roots help plants grow. Also the roots absorb the nutrence from the soil and transfer the nutrence up to the stem. the roots also grow to find more enriched soil.
Plant roots grow downwards to anchor the plant in the ground. The roots also seek out water and nutrients in the soil.
yes
yes
It has less nutrients. This soil is dark brown in colour. It is formed in wet climate. And found in marshy areas. This soil contains more organic matter.
They form by letting the plants roots grow into the soil which fertilizes the soil.
marshy soil is not generally considered as a part of soilit is found in very few places
Monkey nuts grow under the soil.
A plant's roots go as deep as the C Horizon.
yes, they do
10m