Photosythesis is a process plants go through to creatse food for them selfs.
Earths lower atmosphere cools
The two types of cellular respiration are: Aerobic Respiration and Anaerobic Respiration.
The Difference is during aerobic respiration, carbon dioxide, water, and ATP are produced meanwhile, during anaerobic respiration, lactic acid, ethanol, and ATP are produced.
Hoped I helped you out :)
The answer would be Prevent yourself from knowing what was in the pill bottles, and distributed the bottles randomly to the subjects
When researcher know which group got the treatment and which group got placebo, they might be biased. It will be better if the researcher is "blinded" and ask third party to help labeling the drug. The drug should be distributed randomly to makes the subject in control and treatment group as similar as possible.
Science relies primarily on empiricism, the premise that knowledge should initially be acquired through observation.
