The answer is option C
The Arabs are a population of the arab world. They live in the states of arab states of Western Asia and North Africa, but also, there are large communities of arabs established around the world, making them one of the largest diasporas in existence. Arabs are mostly Muslims with a Sunny majority and a Shia minority. They're even a minority of Christian and Protestant arabs.
The swamp is about 10,000 yeats old, its oldest inhabitants were native americans.
The free enterprise systems allows for true competition. This is because the limited restrictions and limitations from the government allow companies to continuously pursue each-other and compete via their own strength.
Answer: C. Nitrogen cycling is the process by which nitrogen from the atmosphere and decomposed organic materials are converted by soil bacteria to compounds that can be assimilated by plants.
Explanation:
The nitrogen cycling is a community level property. Also the decomposition of organic material is also a community effort.
The nitrogen cycling is performed by the soil microbes which convert the atmospheric nitrogen into forms used by the plants. The plants provide nourishment to herbivores and omnivores. This way nitrogen is cycled within different organisms and the spheres of earth.
The soil bacteria decompose the organic materials making the nutrients available to the plants.
