Which situations described are examples of a standards and measurements issue related to land reclamation? select the two correct answers.

a mining company claims that protecting an endangered species should not be included in permitting.

vegetation introduced to a reclaimed site is an invasive species that isn't native to the area.

despite permit agreements, a mining company abandons a mine site after closure of the mine.

monitoring of water quality at a reclaimed site shows high levels of metals, like lead, in the water.

the funding by a local developer to repurpose a reclamation site as a shopping center is withdrawn.

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.

the correct answer is: b. pantala flavescens, because these organisms would have a high level of genetic variation due to sexual reproduction.  

because involves two organisms (parents) whose genetic material combines, sexual reproduction leads to genetic variation in new generations of offspring. the offspring is an unique organism, with new genome, more protected with the higher ability to adapted. this process is fundamental to evolution.