The climate of a region is determined temperature and precipitation. Actually the climate of Pennsylvania is humid Subtropical climate. It is characterized by high temperatures and evenly distributed precipitation throughout the year. The average temperature for the year is 55.9°F (13.3°C). The warmest month, on average is July and coolest month is January. The average amount of precipitation for the year is 41.5" (1054.1 mm). The month with the most precipitation on average is also July.
Countershading is a form of way of camouflage, where the top of an organism is dark colored and the bottom is light colored to avoid being seen by predators.
carbon-With four electrons that can be shared to make covalent bonds, carbon-based molecules display an enormous variety of size, shape, and properties.
