If sock type A is pulled first, sock type B second, and sock type C third, the fourth sock type must match one of A, B, or C.

a. True

b. False

a

Explanation:

sock type a is first then other sock types

the old alchemists made significant contributions to science even though there starting premises were off a bit. their conclusions after failure would steer them into better directions for investigation. science is no more than close observation and the initial mistakes result in rethinking and retrying experiments.