For a control volume, cv, σ(mass in)-σ(mass out) =? a)-0 b)- constant c)- change of energy contained in the cv d)- change of mass contained in the cv e)- rate of change of energy contained in the cv

can you make it more obvious. i can't see it properly

b. check your rearview mirror

explanation:

answer:

d. attempt to find the owner, then leave your information if you cannot find them.

explanation:

d. represents both (b) and (c).

more logical as well.

b and c are to complicated.

glad i could , give me a follow, so if you need with any other question, im here.

import math

x=int(input("enter a number: "))

print (math.sqrt(math.fabs(