Which type of expense can change based on use or volume? voluntary fixed variable mandatory

From this passage, it is clear that president jackson believes the second bank of the united states

India's monsoons are seasonal. what does this reveal about the monsoons? a. the monsoons occur on a daily basis. b. the monsoons only occasionally take place. c. the monsoons occur in a regular pattern. d. the monsoons almost never take place..

What is one example of trench warfare ?