Question

the passage below describes an experiment: jenna had six air - plants on her desk that were not growing. once a week, she soaked the air plants in water. she also sprayed them. but she wondered if spraying the air plants with water every day in addition to soaking them would help them grow. jenna measured the initial weight of all six air plants. then, for the next month, she continued to soak all of the air plants once a week. she also sprayed three of the plants every day. at the end of the month, jenna measured the weights of the plants again. complete the sentence. in this experiment, the plants that were soaked in water and sprayed were part of a control group an experimental group

Explanation:

In an experiment, the experimental group is the one that receives the variable being tested. Here, spraying water in addition to soaking is the variable, so the plants that were soaked and sprayed are in the experimental group.

Answer:

an experimental group