Not sure what you mean but here's what i think
1.They are substrate-specific, because it's a lock-and-key mechanism.
2. They are re-used
3. They can catalyze reactions
4. They decrease activation energy
5. They are proteins by nature.
21. on first attachment is secondary succession
22. is the degree of variation of life....
genetic, species or ecosystem within a specific area, system or planet
23. the last one is wrong = )
Answer:
pollution
Explanation:
It is damaging to the environment and organisms within it.
The food will be healthier and fresh, but due to it being fresh it will cost more, about a two dollars more than the average price for the unhealthy meal
