Suppose S is a 5-dimensional subspace of R6. True of false (example if false): a) Every basis for S can be extended to a basis for R6 by adding one more linearly-independent vector from R6. b) Every basis for R6 can be reduced to a basis for S by removing one vector.

the first part is ocean

explanation:

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.

answer; ratification;

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