Because they don't want to read or write about something that may not even be true, or it could just be an opinion.
Answer:
Producers produce food energy for themselves and all the other levels
Explanation:
Producers don't have to gather food, they make it themselves
Answer:
con·tem·po·rar·y
/kənˈtempəˌrerē/
<em>adjective</em>
1.
living or occurring at the same time.
"the event was recorded by a contemporary historian"
2.
belonging to or occurring in the present.
"the tension and complexities of our contemporary society"
<em>noun</em>
a person or thing living or existing at the same time as another.
"he was a contemporary of Darwin"
