a$)$ Classify Soil A using Unified Soil Classification System $($Group symbol and group name$)$

Soil A: Percent passing No$.4$ sieve $=100$

fine graiuct soils

Percent passing No$.200$ sieve $=76$

silts and clays

Liquid limit $=65$

Plastic limit $=30$

$CH-$

$\frac{?}{PI}=LL-PL=65-30=35$

sandy fat clay