Q: What speeds up the reactions of chemical digestion? A:

OPTIONS:
- protein catalysts
- electrical enzymes
- stomach acids
- digestive enzymes

Answer: digestive enzymes

Problem: OPTIONS:
- decomposition
- precipitation
- carbonation
- oxidation
Q: Q: What often involves the loss of hydrogen, the gain of oxygen, or the loss of electrons? A:
Answer: oxidation

Problem:OPTIONS:
- arteries
- muscles
- lungs
- ventricles

Q: Where does much of the blood that enters the atria flow? A:
****
A: ventricles

Q: Batteries produce voltage through what type of reaction? A:
OPTIONS:
- liquid
- non-chemical
- thermal
- chemical
chemical

Q: What is the process of a confined gas escaping through a tiny hole in its container called? A:
OPTIONS:
- effluent
- dissipation
- dilution
- effusion

Answer: effusion

input with options: Q: Why does neptune's appearance change? A:
OPTIONS:
- the seasons
- the changing orbit
- the speed of rotation
- turbulent atmosphere
output:
turbulent atmosphere