False it is not just used in the mater of science
The first answer is A and the second answer is B
Answer:b. microsystem.
Explanation:
The microsystem is one of the component of ecological system theory. The microsystem describes the system, which is close proximity to the person. For example, the interaction of child with the school teachers, classmates, friends, parents and siblings. The person learns a lot through the direct interaction with people. This is like to influence the physical and behavioral outcomes.
The Redco company is just like a part of microsystem for the school children where they can learn directly by learning skills for manufacturing.
The definition to this question is trophic level refers to a level or a position in a food chain or ecological pyramid. It is occupied by a group of organisms that have a similar feeding mode. You can just look it up I here is some help go to this website www.biology-online.org/dictionary/Trophic_level it will tell you all about it