In this task, you are given a question and answer for that. The answer will fill in the blank or will complete the unfinished question. Your task is to provide an explanation based on the given question or fill-in-the-blank statement, and answer.
--------
Question: Question: Lana is noting that the wind lately has been very weak. Lana can now tell that the air pressures over the Earth's surface have had differences that are 
 Answer: lesser

Answer: Differences in air pressure over the surface of the Earth result in wind. The greater the differences in air pressures, the stronger the wind.


Question: Question: Dean wants his solution to be as acidic as possible, so his concentration of hydrogen ions will be 
 Answer: higher

Answer: With a higher concentration of hydrogen ions, a solution is more acidic but has a lower pH.


Question: Question: Steel has a _____ melting point than lead because it has less branching. 
 Answer: higher

Answer:
The more branching there is in isomers, the lower the boiling and melting points are.