Scooby Dooby Doo, where are you?

we got some work to do now

scooby Dooby Doo, Where are you

We've got some work to do nowScooby Dooby Doo, Where are you

We need some help from you nowCome on, Scooby Doo, I see you

pretending you've got a sliverBut you're not fooling me, cause I can see

the way you shake and shiverYou know we've got a mystery to solve so Scooby Doo

be ready for your act

Don't hold back!

Explanation:

answer : a model is often used to explain and make things easier to understand when any scientific topic needs to be demonstrated and explained.

as in this case where a scientist wants to use a model to present the results of his detailed scientific investigation. he should do it as it will him to make the audience understand the concept in a much better way. also, it can be changed according to new scientific understandings.

it forms an anion that has a larger radius. anions have a negative charge and are larger than the original atom.