21.69mL - 20.70mL = .99mL Fe
7.8 g / .99 mL = 7.9g/mL
If you drop a bath bomb into water, then it will fizz because a chemical reaction is taking place.
Answer:
C. The product must solve the problem for which it was designed.
Explanation:
Technological design is the study, development and application of technological process with the intent of designing a product to solve required problem.The process could be based on the use of a computer.
Generally, technological process and development always tend to design a problem solver product. Through this process, more new technologies are produced.
Therefore in technological process, the product must solve the problem for which it was designed.
It’s DEFINITELY 2 like DEFINITELY
The crystals will not be oxidised since it will be underground
