Question

______ is a side effect of tobacco use.
a. lightheadedness
b. irritability
c. dizziness
d. all of the above

Explanation:

Tobacco use can cause various side effects. Lightheadedness (A) can occur due to reduced oxygen or nicotine effects. Irritability (B) is common with nicotine withdrawal or use - related changes. Dizziness (C) can result from altered blood flow or nicotine's impact. So all these (A, B, C) are side effects of tobacco use, making D the correct choice.

Answer:

D. All of the above