You're using a manual conduit bender that has two spirit levels to assist you in bending accurate angles. One of the levels is located at 90 degrees. Where is the second level located? A. 30 degrees B. 15 degrees C. 45 degrees D. 60 degrees

I'll do it rn and then answer

Is there any opitions? if you have the periodic table, the noble gases are 8a family, the halogen are the 7a family, and the nonmetal are  carbon, nitrogen, phosphorus, oxygen, sulfur, selenium, fluorine, chlorine, bromine, iodine and astatine.