I cannot answer it with only one sentence ma’am and or sir, so I would ask of you for more information. Thank you.
There is no diagram here! Please post a diagram so we can help.
<span>A) radioactive decay inside earth.</span>
Answer:
<u>Watch out for the falling branches overhead!</u> - would be the correct way to punctuate it.
Explanation:
Always use an exclamation point (!) when using emphasis or expressing strong emotion.