A pesticide was applied to a population of roaches, and it was determined that the LD50 was 55mg/kg . If the average mass of a roach was 0.02kg, which of the following approaches will
determine the dose in
mg per roach?

sea breeze

explanation:

cool air is going towards land allowing for the land to be cooler, the hotter air gets pushed away from the land.

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.