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In the United States, who has the authority to declare an emergency due to a natural disaster? Check all that apply. 

Where do the forces for most external processes on the Earth come from?

Risk assessment involves not only the assessment of hazards from a scientific point of view, but also the socio-economic impacts of a hazardous event.

A child of 16 months of age should normally have which primary teeth present in the mouth

The wealthiest countries generally have fewer deaths from natural disasters than poorer countries.  

Emergency plans should be tested regularly under hypothetical conditions.

Some kind of natural disaster is possible for almost every region of the United States.

Benefits of natural hazards are referred to as natural service functions.

Which portion of the tooth is covered by enamel and remains constant even if the patient undergoes gingival recession?

The space created when the primary molars are shed, and the smaller (mesiodistally) permanent premolars erupt, is known as: