Catawba rhododendron bushes can reach a height of 6'-8' with a spread of 4'-6'. Displays are most effective when rhododendron bushes are massed together. These are poisonous plants -- do not allow children to ingest any of the azaleas or rhododendrons.
Best Answer: Tornadoes are caused by winds. When a tornado forms the wind pressure around the tornado drops and that's what you see on the barometer, the pressure goes down.
What happens to the pressure in your thoracic cavity when you inhale and exhale. When you inhale the volume increases so pressure in the cavity decreases and air rushes in. When you exhale the volume of the cavity decreases so pressure increases and air rushes out.