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Alex73 [517]
2 years ago
10

Which stable element is used to determine the age of volcanic rock? argon O carbon-14 O O potassium carbon-12 Which stable eleme

nt is used to determine the age of volcanic rock ? argon O carbon - 14 O O potassium carbon - 12​
Biology
1 answer:
Verdich [7]2 years ago
3 0

Answer:

Argon

Explanation:

Argon is actually used to determine the age. It's called potassium-argon dating b/c when volcano erupts the rocks in it contain potassium. The potassium slowly decays and produces argon. Scientists measure how much argon is in a given volcanic rock and do math backwards to figure out how many potassium atoms were needed to produce the given amount of argon. We already know the rate at which potassium decays so then they put two and two together to find the age.

Here's a link with some cool info on it:

https://divediscover.whoi.edu/archives/hottopics/volcano.html

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Please help me <br>thank you ​
kifflom [539]

What its saying is:

for the chain chart: list a dangerous weather phenomonon you experienced and list words that specify the weather condition you experienced. For example:

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Details: Had wrecked my house, was very scared then, other people were scared aswell, etc.

( Note that these details come in handy later for the next part.)

The next part wants you to organize the parts of the story kevin made about his hurricane. as a cheat key, its: 2, 1, 3, 4.

Drafting: Its asking you to make a sentence that describes how you felt during that time. You have to use the I before anything else in order to count for the grade if there is any grade given for this lesson.

The next part just wants you to write a story on teh event that you experienced, in this case the hurricane or other weather condition you have brought up.

Revising and proofreading:

were > was

think > thought

was > we

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Hope this helped!

8 0
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Answer:

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