If a spot of ink travels 2 cm, while the mobile phase traveled 10 cm. What is the Rf value?

Frictional forces acting on an object are often converted into energy, which causes the temperature of the object to rise slightly.

When you mate two plants together the terms is called? answer it fast as possible plz! i have a test tomorrow!

Identify one disadvantage to each of the following models of electron configuration: -dot structures -arrow and line diagrams -written electron configurations type in your answer below. (answer) -dot structures do not show the distribution of electrons in orbitals and take up a lot of space. -arrow and line diagrams take up a lot of space and make it difficult to count electrons. -written configurations make it easy to lose count of electrons and do not show the distribution of electrons in orbitals.