Answer;
Structure B (chloroplasts)
Explanation;
The process of Photosynthesis takes place inside plant cells in small things called chloroplasts. Chloroplasts contain a green pigment called chlorophyll. This pigment is responsible for absorbing light energy or sunlight from the sun that is used to breakdown or split water molecules into hydrogen ions and oxygen atoms, during the light-dependent stage of photosynthesis.
the first answer is ulna. the second answer is radius
