I believe it is atom, then tree seedlings, then a cat, then a fence panel, then a pecan tree and lastly the house
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:
Independent Variable:
temperature
dependent variable:
chirps
Hypothesis:
the lower the temperatures the less chirps
constants:
temperature or food and water
repeated trails:
success and failure
control:the experiment
Biosphere- where living things exist
hydro- referring to just the water
geosphere-referring to entire thing
atmosphere- the gases in the air