Answer: True
Explanation: It is the most familiarly know Nation, plus the largest
It tells you that there used to be an ocean in the area the rock was found.
It is most likely to form a sedimentary rock due to it exposing to weather on a surface. When a rock is on surface, it may be eroded by weathering such as rain and wind, which cause it to loose fragments. The fragments will then be carried down to river by moving agents or gravity, sedimentation or deposition will then occur, the overlaying layers compacting the fragments into a solid rock after the process of lithification and cementation in which rocks are bind together by minerals dissolved such as silica and calcite.
Answer:
regular childhood vaccination
good sanitation
availability of medical care and treatment
Explanation:
The United States controls and prevents the spread of diseases in many ways. One of which is "regular childhood vaccination." This is considered to <em>be the most effective way. </em>There are about 10 vaccines that are recommended to kids.
The USA also follows<em> good sanitation</em> which includes<u> potable drinking water supply</u> available to most people and <u>having enough sewers were wastes are expelled.</u>
<em>Medical care and treatment in the USA is more advanced than other countries.</em> This is the reason why some people seek treatment in the USA when their disease is also more advanced and debilitating. <em>The USA has specialized facilities </em>catering to different kinds of diseases and their corresponding treatments.