Heat, Struggles , banking , taxes , life , kids , food , cars , problems , erosion, earths core , tree's , climate change , cold and hot water at the same time. , government secretes, the new president.
i hope this helped you. <span />
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
geology, oceanography, meteorology, astronomy
these are the main disciplines that are involved in earth sciences
