Why gases spread quickly?

Choose the correct answer 2. justify why you chose that as the correct answer Scientists have discovered that chromosomal abnormalities such as down syndrome can result from unusual timing of hormonal cycles in older women that result in unusual hormonal concentrations during oogenesis. At...

Can you please help me to find the reaction mechanism for the formation of the sulfonamide

A brick falls from the top of a building and strikes the ground with a velocity of 19.6m/s. How long does the brick fall?

Hello! My daughter isn`t sure if she would like to do her science project on yawning.She mentioned something about how much bacteria is on a vending machine coke can?I don`t have a clue!HELP! Does anyone know of any unique ones?Aparently that is one thing the judges look for.What about science vs....