Polaris -least brightest
Pluto
Venus
Moon
Sun - most brightest
Answer:
first one is a second one is e
Explanation:
Catalyst increases the rate of a chemical reaction
A catalyst is when a chemical reaction occurs faster than normal.
The system is unaffected during a catalyst because both forward and reverse reactions are affected, meaning that quilibrium will occur faster nothing will change.
Hope it helped,
BioTeacher101
