Why is it dangerous to not have the right grade motor oil for the climate you drive in?

select all that apply.

when temperature increases the viscosity of the oil also increases and does not flow fast enough through the engine.
when temperature increases the viscosity of the oil decreases and flows too freely through the engine.
when temperature decreases the viscosity of the oil also decreases and flows too freely through the engine.
when temperature decreases the viscosity of the oil increases and does not flow fast enough through the engine.

Actually its the second and fourth one for sure! If you just put one it only gives parcel credit. ;-;

helloi think dog cat bunny dog cat bunny dog cat bunny

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.