When information-processing theorists use the term hardware, they are often referring to ) the brain structures involved in memory. b) the serial position effect. c) the skull that covers and protects the brain. d) the positive bias of memory.

A. The brain structures involved in memory

Explanation:

When information-processing theorists use the term hardware, they are often referring to the brain structures involved in memory.

43.452

step-by-step explanation:

284 times .153 = 43.452

answer: c. the experiment shows that the red substance experienced a chemical change.

explanation: chemical change is the change in which chemical composition of the substance changes. physical change is the change in which there is no change in chemical composition.

chemical changes are accompanied by following changes:

a) precipitate formation

b) energy is released or absorbed

c) formation of bubbles

d) change in color

as it is given that the red color has disappeared and there is production of gas, it means the red substance has undergone a chemical change.

e