Geography, 04.09.2020 01:01 ashylynn2423
Regina conducted an investigation to determine whether earthworms add nutrients to soil. She used two pots of soil. She added three earthworms to the first pot. She did not add any earthworms to the second pot, which was the control. Regina tested the nutrient levels of the soil in both pots after two weeks. What type of investigation is Regina conducting? A descriptive B comparative C experimental D procedural
Answers: 2
Geography, 25.06.2019 03:20, lovelifekristy
Which geologic feature is composed of the youngest crystal bedrock
Answers: 3
Regina conducted an investigation to determine whether earthworms add nutrients to soil. She used tw...
Mathematics, 16.10.2020 08:01
English, 16.10.2020 08:01
Chemistry, 16.10.2020 08:01
Health, 16.10.2020 08:01
Biology, 16.10.2020 08:01
Mathematics, 16.10.2020 08:01
Mathematics, 16.10.2020 08:01