It is more difficult to climb a vertical staircasethan a slanted one

it's because of friction

Explanation:

In slanted one the friction will be less so it would be more difficult to climb

they start with the same

"i have always loved contemporary art and made it a general goal to work within the field. after a few nonprofit internships at museums and galleries, i decided to try the for-profit art world and was offered a job as the ad assistant at the magazine. i much prefer the pace of the for-profit art community and have stayed with the company for three years, with a promotion to an account manager last spring."

i just did this and got a 100.