What happens when an iron nail is exposed to air and water? (1) (a) Iron undergoes oxidation to form ferrous
(b) Air and moisture convert iron to form rust
(c) Both a and b
(d) None of the above​

Which types of electromagnetic waves have higher frequencies than the waves that make up ultraviolet light? check all that apply. radio waves infrared light microwaves gamma rays visible light x-rays

Both independent and dependent clauses

What is an example of static friction