Answer:
El conocer la función del sistema nervioso permite comprender la estructura del cuerpo. Puesto que, toda acción que se se realice en ella dependerá del sistema nervioso para que sea eficaz
hi here is your answer hope it helps or then sry
Explanation:
A brass lid on a glass canning jar will loosen when heated because brasshas the greater coefficient of thermal expansion
Answer: (b)
Explanation:
Given
Original length of the rod is 
Strain experienced is 
Strain is the ratio of the change in length to the original length

Therefore, new length is given by (Considering the load is tensile in nature)

Thus, option (b) is correct.
A system is a linear system if all equations inside the system can be simplified into the form,

aka linear form of a linear equation.
So to sum up, a system is linear if all equations are linear equations.
Hope this helps :)
Watts I believe is the answer