Here are some instances that would prompt a screening test: Youâre sexually active. Everyone who is sexually active (even if youâve only ever had one partner and always use protection) should be screened at some point. We recommend an HIV test for everyone who is sexually active.
What is melting and sublimation? Melting is the transition of a substance from the solid to the liquid phase. Sublimation is the transition of a substance directly from the solid to the gas phase without â¦ passing through an intermediate liquid phase.
Â· just now. 1  Liquid To Solid. 2  1. in most pure substances, melting occurs at a specific tempureture called the melting point. 3  For the best answers, search on this site https://shorturl.im/awVp4. 4  This Site Might Help You. 5  1. meltiing point. 6  Melting. 7  when ice (solid) melts, it turns into water (liquid). No, to who ever wrote this. This is an example this is not an answer, and it's the wrong way it's from liquid to solid not solid to liquid. Anyway the freezing of water is just one of a physical change with is with the exothermic process.