Sickle-cell disease is common in tropical and sub-tropical regions because being a carrier, carrying a single sickle-cell mutation (sickle cell trait), affords some resistance to malaria.
New Moon. This is because the light from the sun is being pointed at the other side of the moon ( the side we can not see ).
Bonjour!
Piranhas can devour any living thing in minutes, and sometimes even seconds. They are known for their ferocious attitude towards anything living; including others of their kind. They are some of the deadliest fish in the sea - watch out!
Hope this helps you!
~DL
