Heavy rain , strong winds
Answer:
Because there are waves that are bioluminescent
Explanation:
An organ is a part of the body that has a certain function, such as the skin of liver. An organelle is a part of a cell, such as the mitochondria or endoplasma reticulum.
Osteoarthritis in the lumber vertebrae is caused due to degenerative disorder or due to injury in the backbone/cartilage. The high rate of lumber vertebrae osteoarthritis indicates the presence of genetic disorder only, which means the Native American tribes carried a gene for this disorder, which was only expressed in the female offsprings.