The correct answer to this problem would be the word theirs, the first one.
The usage of their/s is kind of a tricky one since it depends on what it usually is pertaining to in the previous lines. In this problem, it would refer to our presentation. If another word, let's say presentation, is added after the blank, then the answer would be their. In this case, there isn't anything after it so the answer would be theirs.
Those that have apostrophes on them aren't an option since it isn't applicable in this situation.
They aerate the soil, pollinate blossoms, and control insect and plant pests. Many insects, especially beetles, are scavengers, feeding on dead animals and fallen trees, thereby recycling nutrients back into the soil. As decomposers, insects help create top soil, the nutrient-rich layer of soil that helps plants grow.
hope this helps (:
Answer:
b. To provide the highest-quality, lowest error data for data analysis
Explanation:
Measurement in research is the process aimed at mapping and ascertaining the quality, capacity and dimension of the empirical observation recorded and gathered during the research. By measurement, a researcher interprets the data, in quantitative terms, to reach a conclusion which is standard and accurate. The ultimate goal of measurement in research to ensure the highest quality of the result with the lowest chance of error data in data analysis.