Answer:
Gill's
Explanation:
Fish's have many characteristics that differ from humans, and one of them is the gills.
The correct answer is 0.5 kg If you whant me to explaine pls tell me
Qualitative observation. Which is data or information with your senses such as sight, taste, smell, and touch.
68.7g
molar mass of Ba(137.327)x (.500)= 68.6635
.500 has 3 sig figs.