8. The Innocence Project found that most faulty convictions were based on a) out-of-date investigating equipment
b) poor DNA sampling
c) inaccurate eyewitness accounts
d) officers not thoroughly observing a crime scene

d) physical means can be used to separate the components of air.

the given statement is true.

sensory memory lasts for a fraction of seconds before the information is lost. it is the shortest -term memory and can be called as an element of memory. example: when we look at something and remember what it looks like, is just a second of observation. it degrades very quickly. it can also be considered as the process of perception rather than considering it as a memory.