Based on the information provided within the question it can be said that the form of counterbalancing that he must have used is complete counterbalancing. This is because this term refers to an experimental approach where treatments are arranged so that every treatment is given at least once in the course of the experiment. If he would have used all 24 of the orders then he is definitely using complete counterbalancing.
A decomposer is like an animal. It dies off and produces food and once it decomposes, it creates oil and fossils and fossil fuels. If there wasn't any Decomposers in a forest ecosystem, there wouldn't be any food or any oil, etc.
The current amendments will change in the following years. Though it is in the future, some like the right to bear arms (second amendment) will be vetoed. With all of the violence surronding firearms, it could be seen as a precaution to have the casualty number decrease.
