What kind of tumor grows in only one part of the body?

Which equation is used to calculate the magnetic force on a charge moving in a magnetic field

Do the following statements describe actin, myosin, both of the proteins or neither of the proteins? (a) contains a binding site for calcium (b) found in the i band (c) exists in a globular (g) form and a filamentous (f) form (d) contains a binding site for atp (e) is a component of the thin filament (f) is a component of the thick filament

Are humans interfering with or a part of evolution happening today? find examples of evolution seen in recent history that could be caused by human activity.