Can i get on this science question
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Answers: 3
Biology, 21.06.2019 17:00
How many trophic levels are there in the following food chain? phytoplankton - shrimp - perch - pike - osprey
Answers: 2
Biology, 21.06.2019 22:00
In what for do plants utilize nitrogen? why do they need nitrogen?
Answers: 2
Biology, 22.06.2019 07:30
Which statements best describe the differences or similarities between a comparative investigation and an experimental investigation? check all that apply. experimental investigations are best for showing cause-and-effect relationships, while comparative investigations do not necessarily show this type of relationship. comparative investigations are often impractical and unrealistic, while experimental investigations are the most practical and realistic kinds of investigations. comparative investigations allow for the use of a wide range of variables but do not have a control group, while experimental investigations involve variables that can be controlled. both experimental investigations and comparative investigations are designed to answer scientific questions. both experimental investigations and comparative investigations focus on making observations rather than collecting new data.
Answers: 1
Biology, 22.06.2019 07:30
Climate warming trends allow plant and insect species to inhabit larger ranges. select the best answer from the choices provided
Answers: 2
English, 20.11.2020 16:30
English, 20.11.2020 16:30