Answer:
1. They keep casts to preserve the real fossils.
2. Maybe someone would steal a fossil and sell it on the dark web?
3. They keep casts to keep the real fossils in prime condition, by that I mean like undamaged.
Proteins are a type of Macromedia and is made up of sub units that are called amino acids.
Answer:
Fermentation produces alcohol. Thats how we make rum and beer
121 C at 15 PSI for 15 minutes.
<span>Carrying capacity is how much population a certain region of the environment can contain, in other words. If population goes over carrying capacity, then there is more competition for resources.
I got this information from https://answers.yahoo.com/question/index?qid=20111030163601AASX6we
I hope this helps:)</span>