Which of the following factors does not affect soil formation? a. precipitation b. time c. erosion d. none of the above

Option (a) is the correct answer.

Explanation:

Precipitation is defined as the formation of a solid in a liquid which is not soluble.

Therefore, presence of an insoluble solid substance does not affect soil formation.

Whereas when natural forces like wind, water etc which erode away rocks and soil are known as erosion. Also, time is a factor that also affects the soil formation.

For example, in rainy season due to heavy rain soil erosion occurs which affects the soil formation.

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.

answers: to make sure that all of the broken pieces of tablet were added to the water, to allow for fair comparison of all three trials, with different particle sizes to avoid experimental error