Doesn’t require it but can be used with red meat and seafood
Formula: NA2S2O3. Valency: 2
Concave is not a type of mechanical wave because it doesn’t need a medium for propagation.
Answer:
I don't understand anything but thanks for the points
please say in English. I mean say properly the question.......
thank you
Answer:
B is the answer
Explanation:
Because it a molecular mass of one
