Answer:
The most effective strategy to control the spreading of some infections is through social distancing.
Explanation:
Since we don't have an effective treatment to stop the infection of some pathogens including the recent pandemic SARS-Cov 2 virus, it is imperative to prevent it from spreading
Conservation, because you are conserving natural resources(water) and reusing aluminum cans which help the environment. Hope this helps!
Answer:
the brain and the spinal cord are the two main parts.
I would say B because c and d would decrease competition and a would do the same, or just kill the ecosystem.
Hope this helps and don't forget to hit that heart :)
i speak english . gracias!