Pour each into a separate container and heat them both up to 100 degrees Celcius. The one that boils is water.
Sorry but Im doing this for points!
Explanation:
The light reactions take place in the _________ and the Calvin cycle takes place in the _________.
stroma; thylakoids
thylakoids; stroma
inner membrane; outer membrane
chloroplasts; mitochondria
mitochondria; chloroplasts
thylakoids; stroma
Within the chloroplast, the light reactions take place in the flattened sacs called thylakoids and the Calvin cycle takes place in the thick fluid called the stroma.
Hope this helps.
D. Nuclei because according to my recent research on this problem.