4. What happens to the energy in a system – where does the energy come from, how is it changed within the system and where does it ultimately go? How does the energy flow affect the materials in the system?

the rearrangement of particles in a physical change. hope this

weight is the answer i just took the test

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.