An electric iron has a rating 750 w,220v. calculate i) the current passing through it ii) its resistance when in use

True or false: the cycle of seasons on the earth is caused by the tilt of the earth on its axis toward and away from the sun.

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

In positive numbers less than 1, the zeros between the decimal point and a non-zero number are blank significant