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kicyunya [14]
3 years ago
7

Which radioactive decay process has the longest half-life and is useful in determining the absolute age of Earth's oldest rocks?

Geography
1 answer:
Orlov [11]3 years ago
3 0
Radiocarbon dating introduced by Willard Libby is the most useful and can date back to at least 50,000 years back. 
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The core of a mountain range that formed during regional metamorphism would contain a _____ metamorphic facies.
irinina [24]

Answer:

The answer is below

Explanation:

Most metamorphic rocks are formed from regional metamorphism. When two plates collide, it causes the release of large amount of pressure, this causes a deformation (folding and faulting) of the rock. As a result of the collision, the denser plate may be forced under the less dense plate thereby causing the rock to fall deep where they are subjected to high pressure and temperature.

Regional metamorphism produces green schist facies, amphibolite facies and granulite facies.

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3 years ago
Develop nations have usually moved away from agriculture as a primary source of income and have what
GaryK [48]
Replaced agriculture with factories
5 0
3 years ago
The magma most likely form a basalt plateau or shield volcano is
Feliz [49]

Answer:

b) Magma B

Explanation:

The magma that forms a basalt plateau or a shield volcano is a mafic (basaltic) magma. This magma is low in viscosity, making it very liquid, so when there's an eruption there's lava flows coming down the slopes like rivers, moving relatively fast. This type of magma has low content of silica, which is the reason why it is low in viscosity. The low viscosity also contributes to very small amount of gases in the magma, as the gases can escape from it very easily so they do not come in a situation to be trapped. The low amount of gases means that the volcanoes with this type of magma have calm eruptions, and explosive eruptions are either nonexistent, or extremely rare.

7 0
3 years ago
How can the world help stop palm oil deforestation?
luda_lava [24]

Answer:

By planting 2-8 trees for every tree cut.

Explanation:

It's common knowledge that trees grow slowly, and cutting all these trees makes endangerment and extinction very plausible. So planting many trees for every ONE cut will help the species.

5 0
3 years ago
Which statement best summarizes the evolution of the Supreme Court's
siniylev [52]

<em>Which statement best summarizes the evolution of the Supreme Court's</em>

<em>interpretation of free speech during the 20th century?</em>

<u><em>A. Over time, the Supreme Court became less likely to allow restrictions on free speech.</em></u>

<u><em></em></u>

<u><em>~Hope this answers your question!~</em></u>

3 0
3 years ago
Read 2 more answers
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