Doctors try to remove tumors from the body to prevent it from spreading and affecting other parts of the body.
I believe strong acidic conditions are no used because the amine will be completely protonated. The strong acid condition decreases the rate of reaction of the amine. The fastest imines formation occurs with a pH of 4-5. When there is no free electron pair, it is no longer a nucleophile and so nucleophilic addition cannot occur.
Due to the cones in your eyes(OR else they're called the photo receptors together with Rods)
Answer:
I would say it is E.
Explanation:
because fish, penguins, and dolphins are aquatic animals. It can't be A. because if it were vestigial it would be useless. It can't be B even though it does seem like the right answer because the are all aquatic. It can't be C. because it would been that the same species would have the same niche which is not possible. It can't be D. because every organism is evolved from a common ancestor.
You've forgotten to attach the thing you need help with.