In experiments with phosphorus and sulfur, both of which burned readily, Lavoisier showed that they gained weight by combining with air. With lead calx, he was able to capture a large amount of air that was liberated when the calx was heated. To a suspicious Lavoisier, these results were not explained by phlogiston
C. Gradual
Hope this helps!
The focea centralis functions to promote daytime vision, being the site of concentrated photoreceptors called cone cells.
Rivers and ponds contain poisonous chemicals that imperils your lives.
I believe it’s the fact that it’s a semi permeable membrane.
