Answer is 3 it uses chemical and physical changes when using stomach acid and physical when turning food in your stomach.
Answer: 0.69 m/ mile.
Explanation:
The altitude gradient between two cities X and Y = 
Given: Two cities are separated by 200 miles.
City X has an altitude of 122 meters.
City Y has an altitude of 260 meters.
The altitude gradient between two cities X and Y =

Hence, the altitude gradient between the two cites = 0.69 m/ mile.
Answer:
If the macromolecule is not lipid, then IT'S CARBOHYDRATE
Answer:
Yeah it was the third one bud
Explanation:
Measure the amount of chemical used, measure the mass before and after