I think it’s b, but I am not sure
Answer:
when a baby receives a mother's antibodies through the placenta or breast milk.
Answer:
Ergonomic
Esther has been lifting tools all day, so most likely the repetitive movements or improper lifting caused her pain.
It must be safe, and effective
Answer: yes it is safe because you are preventing falls
Explanation: the reason most children fall is because things are not safe for small children
