Answer:
Models are used for understanding a process or phenomenon.
Explanation:
Advantages of using models:
1) It gives some information about the human impacts on earth's systems and carbon cycle.
2) It also helps in discovering the defects and errors.
Disadvantages of using models:
1) It did not fully explain the human impact on both earth and carbon cycle.
2) It is the simplified version not an actual version of the real situation of carbon cycle.
Answer:
Eye color depends upon the amount of melanin pigment in the eye.
Explanation:
- Melanin is a brown pigment that is responsible of eye color in the iris.
- The genes are located next to the OCA2 gene.
- When the amount of melanin is in less amount in the iris, it causes change in eye color that may be grey, hazel or blue.
- But when the quantity of melanin is very least,it causes blue color in the iris.
- Blue color is also caused by genetic mutation in an individual.
That process is called Fermentation.
without atoms, the chemical elements wouldn't exist. then, molecules, then proteins, then life itself. basically we're made out of atoms just like everything else.