4. in what ways were the brakes that westinghouse invented different from the brakes used on trains before that?

is this an essay or multiple choice

question 1:

senate and house of representatives

i would try to answer the second question but i’m not 100% positive but i hope i

dont understand question can you makeit more better

the correct answer is the following is a list of inventions made in the medieval islamic world, especially during the "islamic golden age" (8th to 13th centuries),[1][2] as well as the late medieval period, especially in the emirate of granada and the ottoman empire.

science and technology in the islamic world adopted and preserved knowledge and technologies from contemporary and earlier civilizations, including persia, india, china, and greece-roman antiquity, while making a number of improvements and innovations.