Answer:
luminous intensity is a measure of the wavelength-weighted power emitted by a light source in a particular direction per unit solid angle, based on the luminosity function, a standardized model of the sensitivity of the human eye. The SI unit of luminous intensity is the candela (cd), an SI base unit.
Explanation:
Answer:
Chernozem is a very fertile soil that produces high agricultural yields and offers excellent agronomic conditions for the production of crops, especially cereals and oilseeds. It is rich in phosphoric acids, phosphorus and