Rena's promise: two sisters in auschwitz is narrated from the point of view of a

a. historian who is recounting her own experiences during the holocaust.
b. historian who is describing a survivor’s experiences during the holocaust.
c. teenager who is describing her own experiences during the holocaust.
d. teenager who is recounting her parents’ experiences during the holocaust.

Answer;

C. teenager who is describing her own experiences during the Holocaust.

Explanation;

-An expanded edition of the powerful memoir about two sisters' determination to survive during the Holocaust featuring new and never before revealed information about the first transport of women to Auschwitz.

-As a child, Rena had promised her mother to look after her baby sister, and that promise obsessed her throughout her incarceration in the camp. It gave her reason to survive, so that one day she could bring Danka safely home.

common management practices in dairy and poultry farming are: (i) proper shelter facilities and their regular cleaning. (ii) some basic hygienic conditions such as clean water, nutritious food, etc. (iii) animals are kept in spacious, airy, and ventilated place.

answer: substrate concentration. enzymes work best when there is a high enough substrate concentration for the reaction they catalyse.