Answer:
Observing and counting bird populations
Explanation:
The answer is C Have a great day
That is true, enzymes are specific.
it has a nucleus membrane bound organelle like endoplasmic reticulum, Golgi apparatus, chloroplasts, and mitochondria
you can ,Choose to walk or ride a bicycle whenever possible, Take care to properly dispose of your pet's waste that can really help, and don't litter that all i had in mind if i have more ill gladly come back to tell you :)