Environmental Science
In recycling of mineral elements within an ecosystem, the responsible direct acing organism are called

Producers
Primary consumers
Secondary consumers
Decomposers

ANSWER DOWNLOAD EXAMIANS APP

Environmental Science
Biogas is composed of

methane, carbon dioxide, nitrogen and hydrogen
ethane, carbon dioxide, nitrogen and hydrogen
carbon dioxide, nitrogen and hydrogen
methane, carbon dioxide, nitrogen and sulphur

ANSWER DOWNLOAD EXAMIANS APP