Can u put another picture because in this one you didnt take a full picture of the question. <span />
An accurate description of the physical characteristics of Poland is mainly flat landscape, fertile soil except in the east and northeast, many lakes, large deposits of coal, sulfur, and copper, a mountainous region in the south. <span>Coal is Poland's most important mineral resource.</span>
The total ENERGY output of a star per second is its luminosity
Answer:
i believe the answer is b
Explanation: