How did Ptolemy help Alexandria grow as a place of learning?
He was responsible for building the Museum of Alexandria.
He was an important teacher at the university in Alexandria.
He was the founder and caretaker of the Library of Alexandria.
He was the leader of the scientific community in Alexandria.

i thinl it is the 1st answer

protect u.s. businesses from competition

the lines on a surface map are called isobars. isobars are lines of constant pressure which are measured in units called millibars. the numbers indicate the amount of air pressure, in millibars, that each line represents.

the answer is b. cuneiform.