Answer:
D) It would contain less nitrogen.
Explanation:
In an investigation of the cycling of environmental gases, a student placed water and bromthymol blue in each of four test tubes as shown in the diagrams below. No additional items were placed in tube 1, a snail was placed in tube 2, an aquatic plant (elodea) was placed in tube 3, and both a snail and an elodea were placed in tube 4. The tubes were then stoppered and placed in bright light for 24 hours. The solution in tube 3 changes after 24 hours because it would contain less nitrogen.
The dfferent tubes are shown in the picture that I uploaded.
Elements are pure substances made up of atoms
Answer:
Why was it profitable?
(1) To control the quality of their spare parts.
(2) To reduce cost.
Why do they buy more parts outside?
(1) Inefficient in-house parts manufacturing.
The cost of managing Internal
(2) manufacturing of Automobile parts has increased.
Explanation: General motor and Ford are both world class Automobile manufacturers with several vehicles in every part of the world, General motors have its assembly plant in about 120 countries of the World.
During the early 20th Century they found that the local suppliers were unable to meet their Demand in terms of Quality and quantity and it was very expensive. So they started a backward integration to help regulate the quality,meet their Demand and save cost.
In recent times between the late 20th Century till recent times they buy more parts from external suppliers because the cost of managing Internal manufacturing became high because of labor costs and inefficiency caused by lack of competition and Japanese manufacturers have been able to meet their requirements.