Here's one more i'm confused with

The correct option is D) .45

Explanation:

The results can be deduced by using the HARDY-WEINBERG LAW.

49% (Since blue is recessive, and the frequency of blue eyes in a population = q squared = .20, the frequency of the blue allele is the square root of q squared = the square root of .20 = .45. Therefore, p, the frequency of the brown allele is 1.0 - .45 = .55. The frequency of the heterozygous population is 2pq = 2 X .45 X .55 which is equal to .49.

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.

japan is the correct anwser because i already took the test and i passed it