Answer:
The nichrome wire is dirty.
The solution is contaminated.
Explanation:
If the nichrome wire is dirty, it may contain sodium contaminants which may be responsible for the yellow flame. The nichrome wire is first inserted into the flame without the sample to check for impurities.
The test solution may also have been contaminated. This leads to the appearance of a colour different from the expected colour of the test cation in the solution.
Through touches becase every time you touch something energy is transferred .
B. Chemical energy to start a chemical reaction
The answer is Mineral,rock,sedimentary rock
Consumer or it might be a want... more than likely a consumer.
