Answer:
biosphere
Explanation:
Living things need water (hydrosphere), chemicals from the atmosphere, and nutrients gained by eating things in the biosphere.
Answer:
chemical or physical i dont know for sure i kniw i have learned this juat cant rember
Answer:1. In Glucose: C : H : O = 1 : 2 : 1
2. In Sulfuric acid: H : S : O = 2 : 1 : 4
3. In Butene: C : H = 1 : 2