Biome, though some might say ecosystem instead. Biomes are very large ecosystems that cover broad areas.<span>If they specify "one" reef, then they are probably looking for "ecosystem"</span>
The main function of the PNS is to connect the CNS to the limbs and organs. The PNS sends information to the CNS as quickly as possible.
I hope this helps :)
Answer:
You did not give details, but asthma is the diffuculty of breathing and is in the respiratory tract. Diabetes, on the other hand, is when your body does not take care of the extra insulin (type 2), or when your body does not produce enough insulin and your blood sugar levels are off.(type 1)
Explanation:
Igneous rock
(molten in earth's crust)
sedimentary