C. the crust and upper mantle
They are the same because if u simplify both fractions they are both 1/4
Answer:
Therefore, a global zoonotic disease surveillance system to reduce the emergence of zoonotic diseases in humans and to help detect other livestock diseases early could help to prevent the staggering economic losses associated with zoonotic disease outbreaks. So, yes I would say that they are very important to study.
Explanation:
1 reason is to kill disease in water
