Escavation and soil replacement
Open grasslands are more common in rural areas than urban areas.
<u>Explanation</u>:
Open grasslands are most common in rural areas because in urban areas lands are used for industrialisation,urbanisation and many more other developing sites. In rural areas, Lands are still vacant for agricultural activities.
One of the reasons for finding open grasslands in rural areas is because people are migrating to urban areas. People think that they earn more in industries than in agriculture. Most of the animals are found in rural areas so for their feeding purpose, grasslands are required in rural areas.
The correct answer is C. It is used to determine the absolute dates in years for different periods.
Explanation
The geological timescale is a tool that has been developed over the years by geologists to establish a frame of reference in which important events in the history of the Earth and life are represented in chronological order. This scale is organized from divisions and subdivisions, from the relative age of the rocks according to their relative age and the absolute time elapsed since the formation of the Earth to the present. Through this scale it has been possible to establish historical periods such as when dinosaurs lived. So the correct answer is C.
Answer:
In its most general sense, the term "world" refers to the totality of entities, to the whole of reality or to everything that is. The nature of the world has been conceptualized differently in different fields. Some conceptions see the world as unique while others talk of a "plurality of worlds".