Answer:
necesitarias 15 tanques de 20 litros o 20 tanques de 15 litros
Explanation:
The population will most likely decrease i think i
A professor admonishes his graduate student on the basis that her research may have failed to control her own expectations regarding the outcome of the study. the professor is suggesting that the student's research may not be objecive.
Answer:
since there is a war. They have insufficient for themselves
Explanation:
as they trade they won't be able to conserve for their own family and also if they trade they will get money but will lose life of their families