Answer:
little bit of oxygen
Explanation:
since they were 21,000 feet in the air oxygen was thin and some patients need oxygen for treatment and it was difficult
Answer: It's all of the above.
I don't know what this answer could be
Answer:
chicken nuggets is a reduction in biodiversity and
E xplanation:
<span>Scientists who re-created the 1918 Spanish flu say the killer virus was initially a bird flu that learned to infect people. Alarmingly, they find that today's H5N1 bird flu is starting to learn the same tricks.</span>