Until khan united them, the mongols lived in separate tribes in the
a. northern plains
c. southern plains
b. eastern mountains
d. western valleys

ok, so basically your gonna start with 350 ok. so there's 60 seconds in a minute so that means you he can go up 10 ft per minute. soo, after 3 minutes he should be at 260 ft after three minutes : )

china is shifting toward specialization in industry and services and away from agriculture.

explanation:

mark brainliest