Does anyone wanna roleplay?~ Don't waste a answer on saying: nO thankS or that sh*, just say what you wanna in the COMMENTS. Or don't say anything at all. Bio down below! Name:Selina~Sexuality:Bisexual~Age: 15~Hobby:singing, reading, dancing, watching tv-~About me: I'm childish sometimes, i'm stubborn ->-, I have a big ego u3u, i'm kinda weird but I'm open about it uwu, i'm afraid to be on stage- ovo, I get mad sometimes ovo, I'm WAAYYY too overprotective- ahem, so im told.-
P. S I'm a bottom
★~(◡︿◕✿) ★~(◡﹏◕✿)★~(◡‿◕✿)

Achemical reaction (also known as a chemical change) produces substances that are chemically different from the starting materials. an example of a chemical reaction is the formation of water from hydrogen and oxygen gas.in a physical change, a substance changes its physical appearance but not its chemical identity. an example of physical change is the formation of liquid water from solid water, a familiar process called melting. physically, liquid water looks very different from solid water (ice) but the chemical identity, water, is the same for both. which of following changes that affect the composition of our atmosphere involve physical changes and which involve chemical reactions? oxygen gas changes to ozone during thunderstorms carbon dioxide is produced by the combustion of gasoline in an automobile engine. when coal, oil, and natural gas are decomposed in landsills they produce methane gas. freezing rain develops when a warm air mass overrides a cold air mass. fog forms from water vapor when the temperature drops below the dew point

One way that radioactive waste is treated is by burying it in repositories. the repositories are found only in states with very low populations. true or false? a. trueb. false(also i meant to put high school but it put down middle school instead)

Calculate the number of kilojoules to warm 125 g of iron from 23.5°c to 78.0°c.