Answer:
The carbon dioxide is one of the green house gases and mainly responsible for the increase of the earth's temperature. The plants uses the carbon dioxide for the photosynthesis process.
The plants that are exposed to the normal carbon dioxide can be used as a control in this experiment. Then the scientists will notice that if the amount of carbon dioxide is increased, does it show any positive or negative effects in the experiment.
Answer:
D: The DNA present in the cells of the squid.
Phenotype
Hope this helps and lmk if an explanation is needed :)
It's C because their will be a higher risk that the genetic material of blindness will most likely past to the child.