Answer: The first one, to keep the blood flowing in only one direction
Answer:
hospitals and community clinics and public health organizations
Explanation:
The answer should be “Tobacco”
They are all characterized by dramatic, overly emotional or unpredictable thinking or behavior :)
Answer:
There are three main types of rocks: sedimentary, igneous, and metamorphic. Each of these rocks are formed by physical changes—such as melting, cooling, eroding, compacting, or deforming—that are part of the rock cycle. Sedimentary rocks are formed from pieces of other existing rock or organic material.
source:
https://nationalgeographic.com
Explanation: