15 SEP Analyze Data: What is the identity of the element that produced the unknown emission spectrum and what information does the spectrum give about the source of the element

It is a product

The surface of the water droplet is held together by the attraction between molecules. in order for water to flow more easily into these small spaces, you need to decrease its surface tension. you can do this by adding soap, which is a surfactant (a material that decreases the surface tension of a liquid).

Aand x are the answers to your question.hope it !

Apipe hope this . brainliest?