My best guess would be D. many studies have linked cardiorespiratory exercise to the lowering of blood pressure. (Many studies have also linked going vegan to the lowering of blood pressure, too :)
Answer:
A. Children may begin their struggle with responsibility earlier than age 3 or later than age 5.
Answer:
Domestic violence can cause brain development problems.
Explanation:
These problems consist of increased reaction to simple social cues, missing social cues, higher anxiety, issues with developing and keeping connections, and issues with properly interacting with peers and coworkers.