Two students measure and record the volume of the same sample of water in the graduated cylinder shown above. The first student recorded the volume as 16.0 mL and the second student recorded the volume as 16 ml.

Ch4 is nonpolar and insoluble in water. since all of the hydrogen atoms are evenly spread around the carbon atom even through the c h bond is polar all the poles cancel each other out.

C: plants and animals

The teacher is mostly talking about the distillation of a mixture

The density of water is 1 g/cm cubed and in order for the pebble to sink its density has to be greater than the density of water and in order for the twig to float its density has to be less than the density of water