Why are electronegative values helpful in determining if a bond is iconic, polar covalent, or just covalent?

answer a fan shaped mass of sediment deposited at the base of a mountain front do to an abrupt change in stream gradient;

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.