They study and do lots of research
Answer:
Poultry provide humans with companionship, food and fiber in the form of eggs, meat and feathers. Many people love to raise and show chickens and other poultry species at fairs and other poultry shows. ... There is a large commercial chicken industry that provides us with eggs and meat.
They give a comparison for other minerals when classifying them
<u>Answer:</u>
Cancer cells attached to organs.
<u>Explanation:</u>
The cells which have lost their ability to divide in a controlled manner are categorized as cancer cells.
Cancer cells undergo the process of cell division uncontrollably without stopping which results in the development of cancerous tissues within the body.
Moreover, these cells can form in any of the organs of the body to which several reasons are associated for being responsible for the formation of these cells.