Identify structure a
identify structure b
identify structure c
identify structure d

answer:

structure a- outer membrane

structure b- stroma

structure c- granum (stack of thylakoids) otherwise if its asking for the inside of a thylakoid it would be a lumen

structure d- thylakoids

explanation:

the water is warmed up by the sun and then it evaporates into the atmosphere. the sunlight warms the water by its heat. water is then cooled down and condensation takes place. the water then finally returns back to the earth by the process of precipitation in the form of rain or ice.

explanation:

50% lit on the left side