You can find the air spaces in the cell of the leaves where
stoma can be located. The stoma allows
for carbon dioxide to come in, and oxygen to go out. A stoma opens into the airspace inside the
leaf. Carbon dioxide, oxygen, water vapour are the gases might you find in the
air space.
The answer to the question is B!
Phenyl oxalate ester is responsible for the luminescence in a glow stick<span>. The reaction with hydrogen peroxide </span>causes<span> the liquid inside a </span>glow stick to glow<span>. These chemicals can sting and burn eyes, irritate and sting skin and can burn the mouth and throat if ingested.</span>
Hormone receptor molecules may be increased in number/decreased in number/chemically altered in order to change the target's cell sensitivity to a given hormone.
