Which one is not a part of the base of the cranial cavity? a. scala anterior b. scala media c. scala lateralis d. scala posterior

D. scala posterior thats what i would say

best answer is f

exposure to hazardous carcinogens and toxic substances can cause breathing problems, such as copd and various types of cancer. it also increases the risk of heart attacks and strokes and has serious (but no less unattractive) side effects, such as aging, yellow teeth, a terrible smell and damage to the vocal cords.