Answer:
the branch of public health concerned with monitoring or mitigating those factors in the environment that affect human health and disease
Explanation:
I'd say D.
It's important to check first, then call, and care while you wait for your help to arrive.
Hope this helps,
-Tiara
<span>It is volcanic mud-flow. These mud-flows also known as Lahars are made up of debris and mud. The debris typically consists of rock fragments. The size and speed of the mud-flow can increase as it rolls downstream and incorporate more material as spreads such as rocks, buildings and soil.</span>
Attention to detail and timeliness are important skills for this. Also, one must be non-judgmental and impartial.