Answer:
48
Step-by-step explanation:
Fourth day, sixth day, both geysers erupted
4 × 6 × 2 = 48
An observation study is where nothing changes and you record what is seen. An experimental study you have a control group and a testable group.
The answer would be: .C. The groups in an experiment are chosen at random, but not in an observational study.
Answer:
Step-by-step explanation:
Answer:
Please add a attachment.
Step-by-step explanation:
