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.
Answer:
2 to 2, 3 to 1, 1 to 4 and 4 to 3
Explanation:
hope that helps
The following of what? It sounds like there is more than one answer.
Answer:
What happens to energy as it flows through the food chain and food webs of an ecosystem The chemical energy storied as nutrients in the bodies and wastes of organisms flows through ecosystems from one trophic level to the next and through this flow energy also is lost as heat.Explanation:
Answer:
Nucleus
Explanation:
The nucleus stores hereditart material and coordinates activities of the cell
