The answer is A.
I hope this helped! :)
(Also sorry I'm a lil' late.... This will help other people with the same problem I guess... XD)
Answer:
105/35 = 3
Explanation:
This means that say the radioactivity was 100 then that would half 3 times. 100-50, 50-25, 25-12.5.
Extra information:
No matter what the half life is this number will never reach zero as it will continue to half, however it will become to small to eventually read
Theme is there central idea of the story
2. Mom asked us not to leave the lights on when we went out.
3. He has told me that he'll donate some money to Amnesty International.
4. Pauline suggested watching the documentary about global warming.
5. John says that it's blowing a gale outside.
6. Lucy wondered what had started the avalanche.
7. She wanted to know if I was reading an article on overpopulation.
8. He ordered the children to stay inside during the hurricane.
hope this helps!
