I believe its D, it makes the most sence to me. as The substance is based on the arrangement there in and the type of atom the matter is made from.<span />
Answer:
Provide a closed environment.
Clean the hatch chamber with chemical.
Explanation:
Biosecurity is a measure which is taken in order to protect or prevent the population of existing species from infestation of harmful organisms and chemical substances. The hatchery should provide a closed environment in order to prevent the entry of harmful organism. Cleaning of the chamber where eggs were hatched with chemicals in order reduce the infestation of microorganism.
The ability of an animal to maintain a stable internal environment is called homeostasis.
It would be 10
Atomic number = Number of protons
so, 10 = 10
Option D is your answer.
Hope this helps!
