Answer: D
Explanation:
Ensuring that they don't lose their habitat and protecting them is key. Not adding in other invasive species or overexploitation. Conserving would cut the pollution (and if done globally it would cut back global warming). So if we protect the current species more will come or the current will evolve and be able to reproduce.
The pulmonary artery carries deoxygenated blood from the right ventricle into the lungs for oxygenation.
Answer:
it has to do with the light or the brightness of a star
