The correct answer is C, too deep in the Earth to collect. Hope this helps!
Explanation:
Using stratified random sampling, researchers must identify characteristics, divide the population into strata, and proportionally choose individuals for the representative sample. ... For example, individuals who are too busy to participate will be under-represented in the representative sample.
Answer: Entropy is sometimes described as the degree of randomness in a system.
The amount the amount of space a population has to grow in would be a limiting factor.