The main source of organic matter in soil is
The main source of organic matter in soil is the plant and animal tissue that decompose at each level of breakdown.
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Which of the following uses a nonrenewable energy source to make electricity?
From the given options, a power plant uses a nonrenewable energy source to make electricity. A power plant uses coal for making power production.
Why does a black board appears black in colour?
Ethical decisions are derived from
Ethical decisions are derived from the ethics. Ethics is a greek word which means a customs or character.
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Which of the following planets of our solar system has least mass?
Elapidae Naja is the scientific name of _______.
A tropical deciduous plant special to the Deccan plateau is
Which of the following is known as thinnest layer of the earth?
The thinnest layer is crust. It is about 100km. Where as mantle ranges upto 2900 km and the inner most core ranges upto 6300km.
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