<span>- genetic drift
</span>Which mechanism affected the gene pool of the immigrants that entered the United States through Ellis Island?
NOT:
- gene flow
- gene mutation
<span>- natural selection</span>
Answer:
it's false , they can travel through vacuum too.
Explanation:
electromagnetic EM waves can travel through solids, liquid , gases, vacuum.
these waves can travel through any medium, for example visible light.
hence doesn't need any material media to propagate
<u>Reasons for the presence of a high amount of water in the human body:</u>
Options A, B, E
Water is the main component for any living being, especially humans.
The structure of cells uses water as a building component. Water is responsible for the transportation of nutrients within a cell. It plays a vital role in the regulation of our body temperature. The internal temperature of the body is maintained by water as per the external temperature.
Hence, humans sweat in hot weather conditions to prevent overheating of the body.
Water also helps in removing the waste materials from our body. The waste is excreted mainly in the form of urine. Apart from that, water also makes it easy to pass solid waste material from our bodies.
Proto planets I believe or gasses