Answer:
A scale and a tape measure.
Explanation:
Use the tape measure to get the volume and the scale to get the mass.
Answer:Capillary action
Explanation: it sticky, thanks to the forces of cohesion water molecules like to stay close together.
Answer:
The only thing that can scratch Corundum is diamond.
Explanation:
We refer to the Mohs Hardness Scale for the hardness levels. We can see that Corundum is a level 9 which is the second highest so at a level 10 we see diamond, therefore diamond is the only thing that can scratch Corundum.
Use warm water, keep the dishes close, and skip the pre-rinse are some ways to save water.