Answer:
d
Explanation:
prokareyote or bacteria does not have a nucleus.
B. some substances must be dissolved in water before they can be used
<span>the student could identify the catalyst by noticing the substance that makes a chemical reaction go faster. It will be written in a chemical equation.
Example of Catalyst :
- A corosion process of an iron will be faster if it exposed to Oxygen
- A burning process will be a lot of faster if it mixed with oil.</span>