Prevailing winds and pressure belts are major climate controls. A belt of low pressure known as the intertropical convergence zone (ITCZ) lies along the Equator. On either side of the equatorial low, between 25Â° and 30Â° latitude in each hemisphere, is a belt of high-pressure centers over the oceans. From the equatorial side of these subtropical highssuch as the Hawaiian high.
The normal breathing rate for a 4 month old baby is between 30 and 60 breaths per minute.
2-4 Month Sleep Tips. 1  Babies this age may sleep for six-hour stretches at night, and settle into more of a set nap schedule now. 2  To get baby on a good sleep routine, make sure to play and expose her to lots of sunlight during the day and avoid over-stimulating her when it's dark out.