I think the answer you are looking for is D.
Hope this helps!!! :D
The tiny holes in a sponges outer layer that take in water are called ostia, I believe. Hope it helps
Answer:
Part 1: W = 116 Y = 163
Part 2: Since 232 is the mailing point of 2 kg then you would divide 232 by 2 to get the melting point for 1 kg, the same with Y.
