Just write down everything I have there all you have to do is replace the y with the y=x-8
C: depositing silt, which created rich soul for growing crops.
The answer is D. We use oxygen to breathe and make carbon dioxide . Plants take the carbon dioxide to photosynthesis and make oxygen.
The type of design the school administrator is using is known an non-equivalent control group design.
The school administrator said he wants to compare records of a school that has no lockers with that of a school that has lockers. Hence, the answer to this question is non equivalent control group.
A non equivalent control group is a treatment group and a control group which are measured and compared after getting data from both groups at the beginning and at the end of a research program.
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