Answer:
Occupational Safety and Health Administration.
Explanation:
The O.S.H.A is an abbreviation representing the words," Occupational Safety and Health Administration. O.S.H.A is a government agency in the United States which is responsible for maintaining standards of health and safety in workplaces. The O.S.H.A is responsible for controlling the hazards which occur at construction sites, construction industries or while construction. The hazards which are regulated by the O.S.H.A are Falls (from heights), Trench collapse,Scaffold collapse, Electric shock and arc flash/arc blast, Failure to use proper personal protective equipment; and Repetitive motion injuries.
In respect to Oscar's request to find the keywords which will aid him in his research, the keywords are Occupational Safety and Health Administration.
The Red and Arkansas rivers run generally west to east.
Answer:
The atomic <u>theory</u> helps to explain observations such as why ice melts at a particular temperature.
Explanation:
A theory is an idea or a system of ideas intended to explain something. For example, Darwin's theory of evolution explains how different species have come to exist.
The atomic theory is the theory according to which all matter is composed of particles called atoms. Thanks to this knowledge, we know why matter acts the way it does, e.g. why ice melts at a particular temperature.
