This is because iron is used to make a protein called hemoglobin. This protein helps blood cells carry oxygen around the body.
1. Plastic Waster
2. Air Pollution
3. Toxic Sludge Dumping
The law states that matter is conserved. It is not randomly llost or gained, but transformed.
This holds true because when a glass of water is left out over night, the water evaporates. The water doesn't magically disappear. It is just transformed into water vapor.
Trace fossils represent things that were alive, it could be footprints, or bones.
I think this option fits best:
"<span>Evidence that animals were at some time in the area."</span>
All of the Above seeing that they are all diseases caused by genetic mutations.
