when using a micropipette, an important step to remember is to always go to the second stop before drawing up your sample. true or false?

When a spring is compressed, the energy changes from kinetic to potential. which best describes what is causing this change?

What does the mass of 0.7891 mol of ferric oxide (fe2o3)

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