The most appropriate conclusion based on the observed data is: A) The varying thicknesses of soil layers suggest differences in soil composition and porosity among the school samples, impacting water absorption and settling rates.
How to explain
The differing thicknesses of soil layers in the jars indicate variations in soil composition and porosity among samples from different schools. Schools A, B, and C exhibit distinct layer thicknesses, implying varying rates of water absorption and settling.
Thicker layers likely represent soils with higher porosity, allowing quicker water absorption and settling. This suggests differences in soil drainage and water retention capabilities among the samples.
The observed behavior highlights the influence of soil composition on water movement, emphasizing potential disparities in soil quality and its ability to sustain plants and support ecosystems across different school environments.
The Complete Question
Amrita collected soil samples from three different schools in her city. The following table outlines the thickness of soil layers observed in each jar after being left on the table for 24 hours:
School Sample Layer 1 Thickness (cm) Layer 2 Thickness (cm) Layer 3 Thickness (cm)
School A 2 4 3
School B 3 2 4
School C 4 3 2
Based on the provided data, what conclusion can be drawn regarding the soil samples from different schools and their behavior in the jars after 24 hours?
A) The varying thicknesses of soil layers suggest differences in soil composition and porosity among the school samples, impacting water absorption and settling rates.
B) The distinct layers in the jars are indicative of variations in soil acidity levels among the school samples, affecting layer formation.
C) The observed layers are due to soil contamination present in varying amounts across the school samples, affecting water quality and posing potential environmental or health risks.