Biology, 25.12.2019 05:31 genyjoannerubiera

Ais a simplified representation of a real object or system.

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Answer from: daijahamaker062816

Models are simplified representations of a real object or system.

Answer from: FlowerChild5037

Model

Explanation:

A representation of a real object or system in its physics, conceptual or structural form is called the model of that object or system. A model only represents an object or system but is not the object/system itself. An example of the model of a system can be a model representing the water cycle which symbolically explains the systemic process and an example of a model of an object can be a globe which is a representative of the earth.The model tries to simplify our understanding of the given object/system and hence there is a little deviation from the real object/system. The purpose of the model is usually to provide basic knowledge regarding that particular object/system by giving a simpler representation.

Answer from: Quest

a- all cells come from pre-existing cells

Answer from: Quest

c. earths continental crust is thicker than its lithosphere.

because, the lithosphere is the outermost layer of the earth/ 100 km thick and is defined by its machanical properties.the lithosphere contains oceanic and continental crust that varies in age and thickness across locations and geologic time. the lithosphere is the coolest layer of the earth in terms of temperature. the term lithosphere should not be confused with the use of "geosphere" which is used to indicate all of earth systems, including the atmosphere, hydrosphere and biosphere. the surface of the earth can be divided into the continental crust and the oceanic crust. the continental crust is made mostly of granite while the oceanic crust is made of basalt. the average thickness of the continental crust is 25 miles and the average thickness of the oceanic crust is 5 miles. three types of rock, igneous, sedimentary, and metamorphic, make up the surface of the earth. that's why 3 option is preferable.

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Ais a simplified representation of a real object or system....

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