1 2 and 3 please

answer: nope

explanation: because theirs barely anyone on here to you. but let me see the question. maybe i can , if i know the answer!

during the hitler era and it caused them to declare war on germany

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.

he founded the house of wisdom to encourage arabic translation.

hope this is the right answer : ) : )