<span>As humans change the way we live on the planet, the way that nitrogen moves around the Earth also changes. Nitrogen atoms may seem small enough to be easily overlooked. We look right through the ones in the air, do we not? Yet recent changes in the nitrogen cycle are causing a very noticeable effect on natural environments and human health. Lakes are clogged with aquatic weeds. Dead zones have formed in areas of the oceans where animals can not survive. Air pollutants that contain nitrogen are decreasing air quality and greenhouse gases that contain nitrogen are becoming more common.</span>
<span>During asexual reproduction the most comon type of cell division is mitosis i believe. Not 100 percent sure tho </span>
Answer:
A. The rock was made from more than one type of material
C. Sediments and other matter were deposited in layers before lithification
