The discovery of fossils in graves and in archaeological digs suggest that humans were already collecting unusual shaped rocks or minerals in prehistoric times. ... Minerals were used for cosmetic purpose but also for medical use and therefore collected in the field.
It might be carbaminohemoglobin or just hemoglobin. Hemoglobin can bind to 4 molecules of carbon dioxide and transport them back to the lungs.
Answer:
Protons, Electrons, and Neutrons are what atoms are made of. Therefore, they're subatomic (smaller than atom) particles.
<span>Eukaryotic cell
There are differences between Eukaryotic and Prokaryotic cells. This difference is considered to be the most important distinction between groups of organisms. A Prokaryotic cell does not contain a nucleus. It only contains one chromosome and is a single-celled organism. It was the only form of life on earth for millions of years. Examples of a Prokaryotic cell are the different types of bacteria present today.
A Eukaryotic cell contains a nucleus; more than one chromosome and is typically a multi-celled organism. Both plant and animal cells are eukaryotic cells.</span>