If I push myself, am I being pushed by something, or am I pushing on something? A. being pushed by something
B. pushing on something

found in the nucleus

has mass of one amu

1 a

2 b

3 b

4 d

5 d

6 d

explanation:

real, smaller and upside-down.   so the answer should be b.

adding a(n) to an electric circuit would increase the magnetic field around a wire;

b. solenoid

a solenoid is a type of electromagnet whose purpose is to generate a controlled magnetic field.

if the purpose of the solenoid is instead to impede changes in the electric current, a solenoid can be more specifically classified as an inductor rather than an electromagnet.