Ribosome are found a. on the nuclear envelope b. attached to the nucleolus c. throughout the cell d. only in the nucleus

It's found inside of a cell attached to the cytoplasm and attached to the endoplasmic reticulum. hope this helps

(no3)⁻n has oxidation number x,o has oxidation number -2.(x*1 -2*3) charge of the nitrate ion, and we know that charge of the nitrate ion =-1.so,(x*1 -2*3) =-1x-6=-1x=+5answer a. +5.