Whole human blood has a shelf life of 42 days, but in a 2011 government sponsored national survey, researchers found, an estimated one in 20 units of donated blood was thrown away. The Contact 5 Investigators asked One Blood how that could happen. I don't know about that. I can't comment on that, answered Michaels.
The climate of a tropical rainforest is very hot and wet. The average temperatures of a tropical rainforest are about 80 degrees F all year round with an exception of cool nights. The temperature of the rainforest has never dropped below 64 degrees F. It rains about 160-400 inches each year. In a downpour, only one-third of the rain that falls hits the forest floor.
F.A.O. Plants Animals Climate Southeast Asian Rainforests The tropical rain forest is a forest of tall trees in a region of year-round warmth. An average of 50 to 260 inches (125 to 660 cm.) of rain falls yearly. Rain forests belong to the tropical wet climate group.The temperature in a rain forest rarely gets higher than 93 Â°F (34 Â°C) or drops below 68 Â°F (20 Â°C); average humidity is between 77 and 88%; rainfall is often more than 100 inches a year.n average of 50 to 260 inches (125 to 660 cm.) of rain falls yearly. Rain forests belong to the tropical wet climate group. The temperature in a rain forest rarely gets higher than 93 Â°F (34 Â°C) or drops below 68 Â°F (20 Â°C); average humidity is between 77 and 88%; rainfall is often more than 100 inches a year.