he human genome contains 23 DNA molecules, each containing from 500,000 to 2.5 million nucleotide pairs. DNA molecules of this size are 1.7 to 8.5 cm long when uncoiled about 5 cm on average.
41
Maria Jose Vargas
2nd "A"
The deepest part of any ocean in the world is the Mariana trench in the Pacific with a depth of 35,797 feet. At the bottom of the trench the water column above exerts a pressure of 1,086 bars that's 15,750 psi, over 1000 times the standard atmospheric. pressure at sea level.
Shani Echeverría
2nd "A"
5
Carla
Yánez
2nd "C"
At over 2000 kilometers long, the Great Barrier Reef is the largest living structure on Earth. It is a system of about 3,000 individual reefs and 900 coral islands, which are divided by narrow passages, just beneath the surface of the Coral Sea.
6