In this task, you are given a question and an answer, you would be asked to create the sentence based on the Question-Answer provided. It should be contained within the Question-Answer provided.

Question: Amines are weak bases due to the presence of a lone pair of what on the nitrogen atom? Answer: electrons
Amines are weak bases due to the presence of a lone pair of electrons on the nitrogen atom.

Question: Which of these can be mined from Earth and used as an energy source? Answer: Coal
Coal can be mined from earth and used as an energy source.

Question: Which structure is found in a plant cell but not in an animal cell? Answer: cell wall

A cell wall is found in a plant cell but not in an animal cell.