Answer:
Action: Setting a good sleep schedule and making sure you get the right amount of sleep every night.
Barrier(s): insomnia, excessive homework/other activities, people who wake you up, etc.
Answer:
B) Crustacea
Explanation:
All of the other choices have to do with chemicals, cancer or some other form of science, but Crustacea is a type of sea anthropod that has nothing to do with cancer.
Answer:
SLEEP ON YOUR BACK OR YOUR RIGHT SIDE, THOSE POSITIONS WILL NOT HURT YOUR BACK
1. Seminiferous tubules
2. Scrotum
3. Blood (2 words ??)
D. Securities and exchange commission