Answer:
To be sustainable is to be able to maintained at a certain rate. It's to keep things continuous and viable. For example, wind energy is sustainable compared to oil because wind is easier to get than oil. Another example is if a country only has about 10-13 crimes a year for 20 years, crime is sustainable in that country.
Cholesterol travels in the blood transported in molecules called lipoproteins.
Oxygen and glucose
Hope that helps :)
Answer:
Well, it helps us categorize organisms so we can more easily communicate biological information.
Explanation: