Help me for biology please

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When creating a graph, the goes on the x axis and the goes on the y axis. a. dependent variable, independent variable b. experimental group, control group c. independent variable, dependent variable d. control group, experimental group

Sampling lake water for microscopic organisms is not as easy as it sounds when you want to both count and identify species. in a given water sample, your bacteria of choice can be rare or difficult to culture, particularly given the mixture of bacteria in a biofilm. which of the following culture media would be best for growing fecal coliforms when they are relatively less abundant than other bacteria in the lake? anaerobic culture medium enrichment culture medium complex culture medium basic culture medium

What noticeable trend from this graph might be used to make a conclusion?