One type of weathering is man made weathering. (For example) Humans may carve a rock or mine for minerals. Another type is natural weathering. This is when a river may push a rock or lighting may scratch a tree. That weathering is naturally occurring. Hope that helped!
West Nile is carried by mosquitoes. Mosquitoes use bodies of water, such as ponds, to lay their eggs. If you live near a pond, there are going to be a lot of mosquitoes around you, thus making you more susceptible to West Nile.
Answer:
Option D
Fish
Explanation:
The characteristics of index fossil is distinctive, widespread, abundant, and limited in geologic time. Ammonites fit these demands well and are the best-known fossils that have been widely used for this.
Thus, The answer is Fish
I am almost positive that the answer is A. freezing