The answer is d because if you use a balloon and rub someones head their hair will stick up but if you rub your hands on their hair it won't work
Can you be more specific ? I'm having a hard time understanding this question, too ///:
Answer:
Explanation: The astrolabe was an Arab invention that helped sailors find latitude. Calculating longitude required accurate clocks, which were not available when Columbus was exploring.
Because if one of the colonies is good and so do the others it will make a stronger economy
