The figure provided shows three solid blocks, each at a different temperature. In which direction will heat flow?
A: from sample 2 to sample 3

B: from sample 3 to sample 1
C: from sample 1 to sample 2

D: from sample 3 to sample 2

What is the main reason that attitudes are more often revealed in spoken rather than written language? a. in writing, we try to put the "best face" on what we write. b. we speak far more often than we write. c. in writing, we can more easily conceal our attitudes. d. in spoken language, we are often careless in our use of words.