There used to be one big Continent called Pangea, He believed that over the course of the years that the plates shifted so much that the big mass separated, the evidence they used to support this was species evolution, fossils and sediment transfer
Hormone supplements and dietary supplements, and relaxation techniques
The answers are solution, colloid, and suspension respectively.
NaCl or salt is dissolved in the blood. So this makes blood and salts a solution. You won't be able to discern the NaCl in a solution of blood and NaCl.
Proteins in the plasma make blood a colloid. Protein particles are bigger than particles in a solution but are smaller than particles in a suspension.
Lastly, blood cells and blood make up a suspension. You would notice this characteristic in blood because red blood cells settle.
You can observe this when your blood is drawn. When it is placed in a test tube and left alone or placed in a centrifuge. The components separate into liquid on top, where you cannot see particles like salt; plasma in the middle, which has pale yellow color and also contains proteins; and the red blood cells at the bottom that settled.
<span>9. Contributes to medicine and agriculture
Explanation: The plant varieties and different animal species in a given location helped vegetation and many medicines were found to help mankind.
10. Crop rotation
Explanation: different varieties of crop were developed and rotation of crops in due seasons is essential for the growing population. Pollution, deforestation and climate change all affect the world.</span>
In humans, pharyngeal slits are presents in the embryo and develop into the the ears
