Which of the following best practices on documentation is part of the ALCOA guidelines? A. Any recorded data should be attributable to a specific study participant.

B. Any recorded data should be attributable to a specific researcher.

C. Corrections to clinical trial data can be made without explanation.

D. After data is recorded, a researcher doesn't need to keep original documents listing the data

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.

succession returns a disturbed

ecosystem to a more stable state. this is also classified into two (2) types:

primary succession and secondary succession. the primary succession arises when

a new land is transformed and a bare rock has been exposed providing an environment

that can be occupied for the first time. while, secondary succession occurs

when a previously occupied environment was disturbed that kills much of all its

community

explanation: