First you are doing a "st4rength" workout you are doing a mixed or combination workout alternating some weight moves with some cardio. The current research has had some very negative comments about this type of workout with regard to the effectiveness of either part.
Nausea can have multiple causative factors but I doubt that it is th3e workout per se. I suggest you try doing a plain strength workout one day and a cardio on the alternate day to see if splitting the two solves the problem.
It is called WORK-ing out for a reason.
I said getting fit was simple, I did not say it was easy.
Cardio burns calories, strength work burns fat.
Eat well to lose weight, exercise to get fit
You can not build a six pack using twelve packs
Often when we seek a magic bullet for fitness we end up shooting ourselves in the foot.
"I think calories are little germs in food that all moms are afraid of" Dennis the Menace