19 Select the correct answer.
George owns a juice manufacturing unit. He conducts a cardiopulmonary resuscitation training program every six months for his employees.
George is following guidelines set by which US authority?
A.
Occupational Safety and Health Administration
B.
Compensation and Liability Act
C.
Clean Air Act
D.
Fair Labor Standards Act

explanation:

crosscutting concepts have application across all domains of science. as such, they are a way of linking the different domains of science. they include patterns; cause and effect; scale, proportion, and quantity; systems and system models; energy and matter; structure and function; and stability and change.

you did not give any options thus this is the best answer i can give to you with this little information you have given

> they are both natural and not man made

> they can be tracked and predicted by the right tools

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