Answer:
The main advantage of an electromagnet over a permanent magnet is that the magnetic field can be quickly changed by controlling the amount of electric current in the winding. ... Electromagnets are also employed in industry for picking up and moving heavy iron objects such as scrap iron and steel
Explanation: will you mark me plz?
The answer is B. Care is different in different cultures. The WHO (World Health Organization) is currently working to increase prenatal care in low-income countries.
The anwer is older people
