What is the study of the relationship between a worker and his/her environment called?

Select all that describe electromagnetic radiation.

Which of the following is TAR independent of? 

The modality which generally has the lowest risk of thermal bioeffects is

The greatest  risk arises from

What enzyme catalyzes the addition of new nucleotides during DNA replication?

Which of the following describes an injury that may result from localized scattering of acoustic energy, especially at inhomogeneities within the medium?

What is the ratio of the dose at depth in tissue to the dose at electronic equilibrium on the beam axis known as?

The structure of DNA is best described as:

B. Wo, wohin, woher? Welches Fragewort passt am besten: wo, wohin oder woher?  [a] kommen die Fitness-Bücher und das Müsli?Von deinem Fitnesstrainer. [b] gehst du jetzt so früh?Nach Hause. Mir geht’s nicht so gut. [c] gibt es Badehosen hier im Kaufhaus?Im ersten Stock. [d] müsst ihr heute noch?In die Bäckerei. Wir haben kein Brot. [e] finde ich schicke Schuhe?Beim Schusti, dem großen Schuhgeschäft.