They consist of animal and plant remains i believe.
Scientists can research and learn more about cells using the cell theory.
The basic components of a mature mammary gland are thealveoli<span> (hollow cavities, a few millimeters large) lined with milk-secreting cuboidal cells and surrounded by myoepithelial cells. These </span>alveoli<span> join to form groups known as </span>lobules. Eachlobule<span> has a lactiferous duct that drains into openings in the</span>nipple<span>.
Hope it helps u
</span>
Sorry that person didn’t help but your answer is
removal of vegetation, production of paper, construction production, and agricultural production
