It's something to do with the fact that having sickle cell anaemia reduces the chances of contracting malaria, obviously a very common disease in Africa. I'm not quite sure what the link is but hopefully this helps a little bit?
ATP - Adenosine Tri-phosphate. The element is an energy source that fuels many of the biological processes in both humans and other organisms, even plants. The most important element is the tri-phosphate.
Answer:
The answer is D.
Explanation:
Feel free to mark brainliest.
Answer: chromatin condenses into chromosomes and can be best observed in prophase.
Explanation: chromosomes can’t be visualised by a light microscope except during cell division (mitosis or meiosis). The individual chromosomes become visible as the chromatin is wound tightly and are most clealry seen in late prophase.
An air mass that originates in the Pacific ocean, west of Brazil, is most likely WARM AND WET.
A. warm and wet
<u>Explanation:</u>
The pacific ocean has the tropical maritime air mass so it is warm and wet. they affect the United States originate over the Caribbean sea, Mexico, pacific and the western Brazil.
So the air masses in the pacific ocean, western Brazil are wet and warm.the air masses have the fairly uniform temperature and the moisture content in the horizontal direction.
Air masses are characterized by their temperature and the humidity properties. The air mass where the originate is based on the surface properties.
