The Toba super volcanic event caused a bottleneck in the human population by inducing an ice age .
I hope that's help !
I'm not so sure, but I think it's C.
The main structure, which distinguish the eukaryotic cells and the prokaryotic cells are the membrane bound organelles.
The eukaryotic cells are divided by the internal membrane. The internal membranes form the outer covering of the organelles. The organelles such as mitochondria, nucleus, Golgi apparatus, endoplasmic reticulum etc are absent in the eukaryotic cells.
To test the Porosity of the hair, one should select a small section of hair at the crown, hold it at the root and the tip, and slide the hair down two to three times slowly. The porosity of the hair is the ability to absorb moisture and may be low, normal or high. A porosity test indicates the category of an individuals hair. It is important since one is able to maintain hair's health than merely just knowing the hair type.
Answer is A
(a brainliest would be appreciated)
