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.
On average, 3-month-old babies sleep about 13 hours per 24-hour period. For most 3-month-olds, this equates to 8 1/2 hours of nighttime sleeping and 4 1/2 hours of daytime sleep. Most 3-month-olds divide their daytime sleep between three to five naps.