B; An unshelled fish is lively and elusive past the power of words to portray, and in this, undoubtedly, lies its desirability.
You can tell if matter is conserved if the substance changes . If the substance changes then matter has been conserved .
V final = (Mass x V initial) + (Mass x V initial) /m + m
V = (0.04 x 300) + ( 0.5 x 0 ) / 0.04 + 0.5
V = 22.2 m/s
Answer: ok i understand the 2 x2
Explanation: