Answer:
carbon, oxygen, neon, magnesium, sodium, iron
Explanation: Betelgeuse has become a red giant and has used up all of its hydrogen, so its helium is now fusing into heaveir elements such as the ones above.
The Jevons paradox occurs when technological progress or government policy increases the efficiency with which a resource is used, but the rate of consumption of that resource rises due to increasing demand.
Answer:
Physical characteristics.
Explanation:
She knew what type of birds they were based on their physical characteristics.
She didn't see their nests, or see them eat, and she didn't test and analyze their genetics, so a is the correct option.