a.

Refraction

b.

Reflection

c.

An inverter

d.

A magnifier.

a.

It leads to chain reaction

b.

Its products are not radioactive

c.

neutrons are not released

d.

the sum of the masses of the reactants equals the sum of the masses of the products

a.

Wh

b.

kWh

c.

J

d.

W

a.

High pressure and low p.d

b.

Low pressure and high p.d

c.

Low pressure and low p.d

d.

High pressure and high p.d