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irga5000 [103]
3 years ago
8

Which stable element is used to determine the age of volcano rock​

Biology
2 answers:
Margaret [11]3 years ago
7 0
One of the most common methods to date volcanic rocks uses potassium (radioactive parent) and argon (stable daughter). Potassium is an element found in many minerals and rocks, and it normally has an atomic mass of 39.
amid [387]3 years ago
6 0
The stable element is argon
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This question is incomplete but the completed question is below

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Regardless of the direction the seed is planted, the seed has the ability to re-position itself via the help of growth hormones that respond to gravity and redirect the seed into the proper orientation. However, after re-orientation of the seed, the root grows toward the direction of gravity (a process known as gravitropism) while the shoot grows toward the direction of sunlight (a process known as phototropism). Even though two options appear to be correct here, the most correct option based on he question is b

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