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: Dane is checking the pH of his project and sees that it is quite high, which means that the acid in his project is 
 Answer: lower
Lower pH numbers are more acidic and higher numbers are less acidic (also called more alkaline).

Question: When a device become less efficient, its production of usable energy will go 
 Answer: down
The more efficient a device is, the greater the percentage of usable energy it produces.

Question: Will found water from a source 10m from shore. Eric found water from a source 2m from shore. Whose water likely contains the least nutrients? 
 Answer: Will's

Most nutrients are washed into ocean water from land. Therefore, water closer to shore tends to have more nutrients.