Answer:
related with genes, microbes
Answer:
1. A. digestive system
B. excretory system
2. A. nervous system
B. respiratory system
Explanation:
1. the digestive system helps digest food and the excretory system helps get rid of waste.
2. asthma is considered a respiratory disease.
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Ferns don’t have to be in a tropical setting, but they can.
It’s a bad question.
Answer:
Before the park's wolf reintroduction, loss of aspen trees in Yellowstone National Park was traced to elk grazing . Now wolves help control the elk population.
Explanation:
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