Derived and define the units​

**urgent** roberto plans to use two transformers to reduce a voltage of 120 v to 4 v. he uses a transformer that has 300 coils in the primary winding and 50 coils in the secondary winding. he has four other transformers, as listed in the table. which transformer should roberto use to have an ending voltage of 4 v? a- w b-xc- yd- z

Most of the volume of an atom is occupied by the

Which body part transports oxygen removes waste materials in carries nutrients to the body as part of the circulatory system