Arelearning task is when part of the relearning task is the which is the reduction in the number of trials (or the time) necessary for relearning compared to original learning.
a. a list is learned while counting backwards; forgetting score
b. a list is originally learned, set aside for some period of time, then later relearned to the same criterion of accuracy; savings score
c. a list is learned while holding other information in mind; working memory capacity score
d. a list is learned using mnemonic strategies; memory aid score

You isolate an infectious substance capable of causing disease in plants, but you do not know whether the infectious agent is a bacterium, virus, viroid, or prion. you have four methods at your disposal to analyze the substance and determine the nature of the infectious agent.i. treat the substance with enzymes that destroy all nucleic acids and then determine whether the substance is still infectious.ii. microscope.iii. culture the substance on nutritive medium, away from any plant cells.iv. treat the sample with proteases that digest all proteins and then determining whether the substance is still infectious.if you already know that the infectious agent was either bacterial or viral, which method(s) listed above would allow you to distinguish between these two possibilities? a) ib) iic) ii or iiid) iv