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inn [45]
4 years ago
13

In what type of rock is the ratio of unstable isotopes to stable isotopes best measured?

Geography
1 answer:
Nana76 [90]4 years ago
5 0

Answer: Igneous Rock

Explanation: Radiometric dating is used to date rocks by measuring the decay of their composite materials. Stable isotopes remain the same over   time while the nucleus of an unstable or radioactive isotope will decay to form other isotopes .

Dating rocks using Isotopic methods uses the decay time of the isotope in the rock to assess its age. The accuracy of this method is assured by the fact that when these isotopes decay, they are retained in the rock. Isotopic dating is not very accurate in sedimentary rocks because they contain particles from older rocks.

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Answer:

Maps and globes are drawn to scale and use symbols to represent topography and other features on Earth's surface. Grid lines on maps and globes are often used, with lines curving because the Earth is a sphere. The baselines for measuring distance on Earth are the equator and the Prime Meridian. Satellites are also often used as a mean to graph.

4 0
3 years ago
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Using complete sentences, identify the climate region labeled with the number one on the map above. Describe three characteristi
Alexxx [7]

Answer: the climate rigeion labeled with the number one on the map above is desert climate

its three characteristics are:

1. very high temperature

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The climate is very dry with less than 250 mm of rainfall a year.

3. very cold nights

At night, these areas cool quickly because they lack the insulation provided by humidity and clouds. Temperatures can drop to 4°C (40°F) or lower.

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Explanation: the reason why i identified number one as the hot desert climated change is because of its color (very orangey). thoso types of colors may identify thoso hot climates, therefore, hope this helps!! <3

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3 years ago
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In a market economy, what determines for whom goods are produded?
Galina-37 [17]

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C. supply and demand

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Answer:

A - hindus

hope this answer help

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<em>The Middle East is a geographical region that has been of great importance in history since ancient times. Strategically located, it is a natural land bridge connecting the continents of Asia, Africa, and Europe. ... In recent times its enormous deposits of oil have made the Middle East more important than ever.</em>

Explanation:

I hope maka tulong po.

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