What are some of the hazards that domestic pets like dogs and cats can experience in regard to poisons? How are pets exposed to these poisons? What do you think can be
done to reduce the exposure?

sand 60

clay 10

silt 30

sandy loam should be dominated by the sand. as the amount of sand increased, the amount of slit needed to anchor the plants' roots to the sand will also be increased. even though the amount is very little, 10% part of clay is still necessary for proper oxidation.

answer; both surfaces of the membrane are nonpermeable