Through which of the following loose soil materials does water infiltrate fastest? A. pebbles
B. sand
C. silt
D. clay

Explanation:

I think pebbles because the pebbles can be different sizes and have bigger gaps in between them so the water will go through quicker.

hope this helps srry if wrong

the answer for sodium is 0.186

the answer for rubidium is 0.251

answersilicon (si); oxygen (o);