Auroras normally occur in the Earth's thermosphere.
Photosynthetis, burning of fossil fuels, plant respiration.
When assessing the heart rate of a 6-month-old infant, you should palpate the brachial or femoral pulse
Answer:D
Explanation:
This isn’t B, because it’s only one species. It isn’t C, because it is one population, and A doesn’t make sense due to how they are of course organisms. D is your best bet.
