Answer is:
both (A) and (B)
Answer is:
Copper
Answer is:
120/80
Explanation:
A normal blood pressure level is less than 120/80 mmHg. No matter your age, you can take steps each day to keep your blood pressure in a healthy range
Answer is:
Soft Iron core
Explanation:
An electromagnet has a soft iron core. It is a type of magnet in which the magnetic field is produced by an electric current.