In an experiment to test the hypothesis that added phosphate will cause marigolds to produce more blooms, the experimenter has t
wo groups of pots planted with marigold seeds. One group gets watered with phosphate added to the water, while the other group gets watered with no phosphate. Both groups get the same amount of water and light. Which is the independent variable in this experiment?
<span>Give an example of a renewable and nonrenewable resource. What are the advantages and disadvantages of each. Which do you think would be a better choice for your community?</span>