Answer:
D astronomical unit
Explanation:
Hope my answer is correct
Arising of a new species is not a rare thing. Organisms are always in a competition to survive long. Speciation, as what they call it, is happening from time to time because organisms evolve in order to adapt to the environment where they are in. However, this process is a slow one thus it is almost impossible to see a new species arising.
The minerals they contain are chemically changed forming metamorphic rocks.they from when rocks are sometimes too close to magma so they get heated up
If you'd like an example of a sentence using the word abiotic factor: "Abiotic factors such as dirt and sunlight are sure important to the environment."