Answer:
RIdge, trench, abyssal plain
Explanation:
Answer:
The marshes are defined as the type of wetland where the water covers the ground surface for a long period of time. Here, the trees are absent and are mostly dominated by the grasses and other small herbivore plants. They are commonly formed in delta type of environment where the rivers adds water into the seas. It forms an isolated and distinct ecosystem.
The marshes in nature, behaves like a filtration process as the vegetation that are present in marshes takes up more amount of nutrients for their growth and expansion. But, if it does not use up these excess nutrients then it cause water pollution comprising of nitrogen and phosphorous.
They also plays an important role in the reduction of damages that are caused by a flood.
The marshes are sometimes seasonal and it occurs when the height of the river level is relatively high, and it floods the grassland areas.
The marshes are of three types-
(1) Tidal salt marshes
(2) Tidal freshwater marshes
(3) Inland freshwater marshes.
Replaced agriculture with factories
Explanation:
Convection occurs in the Earth's mantle because it is the most efficient way for the Earth to cool or dispose of its deep-seated heat content. In general, heat can be transferred by conduction, radiation or convection.
Answer:
D. the elimination of the kraal system
Explanation:
The Maasai tribe of East Africa is an example of a traditional economy. The Maasai tribe typically found in Kenya and Tanzania use livestock such as goats, sheep and cattle as social utility, it serves as the primary source of income.
Some of the events that posed a challenge to the Maasai way of life includes the following;
I. A decline in the lion population because killing a lion symbolizes a rite of passage with respect to the bravery of a warrior.
II. Encroachment of their lands by farmers.
III. The loss of their lands to national parks for recreational purposes.
However, the elimination of the kraal system is not a challenge to the Maasai way of life.
A kraal system was peculiar to the Zulus and it's usually an enclosure that surrounds a livestock. They're typically used as a place for performing sacrifices, act as a homestead for livestock, used as a defense against attack.
