Why did maria winkelmann kirch face challenges in being recognized as a scientist?
the calendars that she produced were proven to be incorrect.
many academic institutions in society considered a woman's role to lie outside science.
her husband gottfried had a negative reputation in the scientific community.
no women were allowed to use scientific equipment during this era.

In a command economy, people are not free toa buy consumer goods.b work in factories.c make production or monetary choices.d receive an education.

In italy, the distance between milan in the north and palermo,sicily, in the south is about 550 miles. in the united states, the distance betweenboston, massachusetts, and savannah, georgia, is about 900 miles. do you think the american revolutionaries of 1776 in the 13 colonies faced some of the same challenges as the patriots who struggled for italian unity in the 1860s?  

Which of these events related to the protestant reformationoccurred first in 1521?