Help please anyone know the answer if you do please tell me how you figured out

answer; ///i believe the correct answer is (aids) acquired immune deficiency syndrome;

answer; i believe the correct answer is (replication is not conservative);

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.

thinking it would be d not too sure but i think it's right