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Why do scientists only have theories about the composition of the mantle and core but they know the exact composition of the crust?
The Earth's Crust is what we stand on, so it's within easy reach of scientists. The mantle and core, by contrast, are deeper inside the planet, where no drill or human being can reach.This means that we must learn about the mantle and core of our planet with less direct methods. We have a pretty good idea of the composition and density of the Earth's mantle and core by studying the effects of earthquakes, by measuring the behavior of earthquake waves as they travel through the Earth.
What is What is a collapsed core?
Neutronium, hyper-dense atomic nuclear material stripped of all electrons.
What are the methods of geochemical prospecting?
Geochemical prospecting methods include soil sampling, rock sampling, stream sediment sampling, and vegetation sampling. These methods involve collecting samples from the environment to analyze for the presence of certain elements or minerals that may indicate the presence of an ore deposit. Geochemical data can help narrow down potential areas for further exploration.
Why is it that the depth of the soil sampling usually depends upon the crops to be grown?
The depth of soil sampling is usually dependent on the crops to be grown because different crops have varying root depths and nutrient requirements. Sampling deeper can provide insights into nutrient availability and soil properties that may impact root growth and crop yield. Tailoring soil sampling depth to the specific needs of the crops helps ensure proper nutrient management and optimal plant growth.
What are the two parts of the core?
the two parts of the core are the inner core and the outer core
Why sampling needed?
Sampling is needed in order to determine the properties of a distribution or a population. Sampling allows the scientist to determine the variance in an estimate.
How core sampling is done?
this website is horrible
What are the different types of geologic core sampling devices?
Prserve Core Spong Core Prserve Core Spong Core
Why do you use core sampling?
to see what is happening and how the earth is.
What information do core sampling give?
it tells youyour cool
Are the sampling techniques the same for solid liquids and gases?
No, sampling techniques differ for solid, liquid, and gas samples. For solids, techniques like grab sampling or core sampling are commonly used. Liquids can be sampled using methods like grab sampling, pump sampling, or composite sampling. Gases are typically sampled using techniques like grab sampling, passive sampling, or active sampling using pumps or sorbent tubes.
Is a normally distributed variable needed to have a normally distributed sampling distribution.?
Yes, it is.
How is fossil fuel found?
Through examination of an area's geologic formations, core sampling, well drilling information, and other techniques.
What are the various kind of sampling?
They include: Simple random sampling, Systematic sampling, Stratified sampling, Quota sampling, and Cluster sampling.
Which one is called non probability sampling a. cluster sampling b.quota sampling c. systematic sampling d. stratified sampling?
Answer is Quota sampling. Its one of the method of non-probability sampling.
What is sampling in research?
Sampling techniques in researching involves to types of sampling. The probability sampling and the non-probability sampling. Simple random is an example of probability sampling.
Is convenience sampling method not a random sampling?
You are correct; convenience sampling is not random sampling.
