Answer:
living, nonliving
Explanation:
all living and non living things in an area make up an ecosystem
Answer:
cellular respiration...that's breathing out of humans
and through human activities like burning of fossil fuels...
C: Liver. It's secreted by the liver and stored in the gall bladder
Both MDMA ( or Ecstasy) and PCP have recently been reclassified as recreational hallucinogenic drugs. <span>The recreational drug is a psychoactive drug that induces an altered state of consciousness. It is used for pleasure because it modifies the perceptions and feelings of the one who uses it.</span>
Photosynthetic bacteria changed the Earth's atmosphere