What should he spray on the trees to stop the fruit from falling off too early?

Which statement describes the punctuated equilibrium theory?

If a force of 40 newtons moves a cart a distance of 9 meters, the work done is nm. if the same force moves the same cart three times that distance, the work done is nm.

Draw the conjugate acid for the following base. remember to include charges and non-bonding electrons where necessary.