The correct answer is a. Complex
A complex or undefined medium is rich in nutrients, which contain water-soluble extracts of plant or animal tissue, a sugar, (often glucose is added to serve as the main carbon and energy source). The combination of extracts and sugar creates a medium which is rich in minerals and organic nutrients, but the exact composition is unknown.
Answer:
25%
Explanation:
(I'm guessing "loonas" does not mean black)
as you can see in the picture 25% is ll or black
Following precautions should be taken when constructing;
1)
Contractors should know about the temperature on
the work site.
2)
The unsatisfactory decision of safety measure
strategy will crumple the particular undertaking quality.
3)
There should be the availability of LP gas
heaters and blowers.
4)
Temporary workers can likewise pick poly fenced
in area installed with platform frameworks firmly.
5)
Warmth conveying punctured texture tube running
under platform will be utilized.
6)
There should be the utilization of dry mortar
rather than wet mortar in winter season.
7)
Quick setting mortar or cement Mortar setting
admixtures can be utilized.
8)
Wind should be above 25mph in wind barriers and
the temperature that is required is below 25 degree.
The Texture And Look Of A Microscopic Object