116k views
3 votes
Which stable element is used to determine the age of a volcanic rock a)argon

b)carbon-14
c)potassium
d)carbon-12

User Jamz
by
5.2k points

2 Answers

2 votes

Answer:

answer is A (argon)

Step-by-step explanation:

i took the test and put c but it told me the correct answer your welcome if this helps

User Mirror
by
4.9k points
1 vote

Answer:

Argon-40

Step-by-step explanation:

User Ozlu
by
5.0k points