Mary loves to grow flowers in her garden. She believes if she waters her plants with power-aid, then they will grow big and tall. Mary planted sunflowers, roses, and daisies. Sunflowers don't receive power-aid. After three weeks, Mary measures all three plants. The plant that received water grew the best. Which sentence states the hypothesis?

the principles and empirical processes of discovery and demonstration considered characteristic of or necessary for scientific investigation, generally involving the observation of phenomena, the formulation of a hypothesis concerning the phenomena, experimentation to test the hypothesis, and development of a conclusion that confirms, rejects, or modifies the hypothesis.

the cover letter for a job search includes the skills one has for the particular job. including a cover letter is always a good idea, as it describes the ability to perform a task, and the employer can easily fetch the intention of the job you want to do.  

the cover letter is very important to be included in the job search document. hence, i strongly with the statement.