Definition: This is measured value (always positive) from one point to another Example: The height of a person or the length of the trip from Birmingham to Atlanta
Hint: first 2 letters are "di"

it is the second option.

the components of a vector are the parts of the vectors that are to each other.

b perpendicular

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.