Answer:
The second option
Explanation:
I took the quiz and got it correct
Answer:
D) forms hydronium ions in water
Explanation:
Texture and conductivity are physical properties which makes answer A and B wrong. Answer C does not refer to a chemical reaction.
Answer:
Enzyme
Explanation:
An enzyme is an organic catalyst that speeds up a reaction but can be recovered unchanged.
Human lactase consists of 4092 amino acid groups and has a molar mass of about 280 000 u, so it has a complex structure.
Answer:
An object at position A. has all potential energy
An object at position B. has about half potential and half kinetic energy
An object at position C. has all kinetic energy
Explanation:
I already did it and got all of them correct. I hope this helped!! :)