The MSDS for sodium hydroxide gives it a health rating of 3, a flammability rating of O, and a reactivity rating of 1. According to the MSDS, which best describes sodium hydroxide?

A. highly corrosive but not highly flammable
B. highly reactive and corrosive
C. highly flammable but not highly corrosive
D. not highly reactive or corrosive

This is what i did 45-5=4040÷4=10so there are 10 white marbles but am not sure is just a question that am not sure

1) the mayans built pyramids just like the egyptians. the mayans also used hieroglyphics like them.2) power was passed down by family. for example, if the father dies, the son would be the next king.3)they both built pyramids for their structures.4)the main crop for the mayans was maize.5)they also grew manioc, beans,  squash,  amaranth, and chile peppers.