45. which observation of dihybrid crosses led to mendel's law of independent assortment?
a. particular individual traits persisted for many generations.
b. many combinations of traits were always inherited together.
c. some combinations if traits were not passed to offspring.
d. the presence of one trait did not affect the presence of another.

1. loamy sand is about 80% sand with 10% clay and defined mostly by sand particles with some clay to provide structure and fertility. the sand particles are easily visible and the soil holds structure but breaks apart easily.

2. scott sand can improve his soil quality by incorporating more silt and organic matter into the soil. peat moss and organic matter can also be incorporated.

i believe the answer would be b. hope it : )