Answer: Hello your question is open ended hence I will provide a more general answer
answer : Use of systematic sampling method
Explanation:
To obtain a representative sample of pebbles ( more representative sample ) Leaners should use <em>Systematic sampling method</em> . This is because systematic sampling covers the the entire population by obtaining samples from the population of pebbles at regular intervals hence it is a more comprehensive system of sampling when compared to Random and stratified sampling
Global warming is a slow increase in the overall temperature of the earth's atmosphere generally created by the greenhouse effect. This effect is caused by increased levels of carbon dioxide, chlorofluorocarbons, and other pollutants.
Land value can mean very different thinks but it terms of this context they are talking about its worth. they are not gonna stack concrete building on a good piece of land that can be used for farming. Due to the fact that it is a urban area they make Ignore a golf course or some type of nature reserve so the land isn't harmed but instead put to good use.
The answer to this question will be D
