were used in order to provide spaces through which weapons could be fired at invading enemies during Medieval times. a.
Trusses
c.
Columns
b.
Crenellations
d.
Arches

In 2012 it was reported that 64% of adult americans watch football regularly. you want to know if this percentage has increased. to do this you randomly sample 400 adults from across the united states. you ask all these adults, "do you regularly watch football? " 268 of the adults respond that they do regularly watch football. carry out at alpha =.05 a hypothesis to test your claim. make sure to check all necessary conditions and state your conclusion in the context of the situation

Write about your favorite music artist and state why they are your favorite. have they done anything significant in their life?

When did gothic art peak what century.