To place controls on a form in a stacked layout, select all the controls and click the stacked button on the tab.

There are still many factories that have some controlled units (yellow) or do not have any controlled units (red). Only about half of the factories shown on the map have full controls (green). Therefore, more work needs to be done by the EPA and factories to effectively control air pollution.

Explanation:

these  signals travel  down a part of the neuron called the axon, which is like a wire that carries the  signal  to othernerve  cells. on average a  nerve  cell sends a  signal  at about 50 meters per second, which is over 100  miles  an hour!