What is an organized procedure to study something under controlled conditions

How are cellular respiration and photosynthesis different? cellular respiration assists breathing; photosynthesis aids pigmentation. cellular respiration breaks down glucose; photosynthesis creates glucose. cellular respiration creates glucose; photosynthesis breaks down glucose. cellular respiration releases oxygen; photosynthesis releases carbon dioxide.

The body is protected against harmful flu viruses by

The united states produces an average of 429 billion pounds of food annually. about 133 billion pounds of that food ends up as waste.the percentage of food that the united states wastes each year is %.