I think is alternative a because that includes the earth
The features of social democracy that are common in Europe are mainly universal health care and tuition-free college. Europeans also get the minimum living wage. They benefit from these features with a cost. Citizens, most especially the rich ones, pay higher taxes to fund these necessary benefits.
Answer: Photosphere
Explanation:
Photosphere, visible surface of the Sun, which is most of the Sun's light that reaches Earth directly.