If i make a solution by adding water to 7ml of ethanol until the total volume of the solution is 375ml, what’s the percent by volume of ethanol in the solution?

Although respiratory organs vary across different organisms, they all contain respiratory surfaces that have a large surface area and are extremely thin. explain why having an extremely thin respiratory surface with a large surface area is advantageous for the process of gas exchange

What type of organic molecule comprises the majority of a potato?

In a heat of an engine, if 700 j enters the system, and the piston does 400 j of work what is the final internal (thermal) energy of the system if the initial energy is 1,500 j