
Which stable (nonvariable) gas in the atmosphere is derived from the radioactive decay of potassium-40 (⁴⁰K) ?
A) oxygen
B) krypton
C) argon
D) carbon dioxide
E) sodium
Correct Answer:
Verified
Q29: Which is true of the amount of
Q29: About half of Earth's crust consists of
Q30: Which of the following lists the correct
Q31: Temperatures within the stratosphere
A)decrease with altitude according
Q32: Which of the following is true of
Q33: The three stable (i.e. ,nonvariable)gases in the
Q35: The thermosphere and the ionosphere _ because
Q36: The ozonosphere is critical to life because
Q37: Which of the following is true of
Q39: A by-product of photosynthesis is
A)nitrogen.
B)argon.
C)oxygen.
D)xenon.
E)fluorine
Unlock this Answer For Free Now!
View this answer and more for free by performing one of the following actions
Scan the QR code to install the App and get 2 free unlocks
Unlock quizzes for free by uploading documents