Answer:
the discovery will always need to be tested more where if you're investigating you should already be in a more controlled environment
Hi Khal75,
Experiment: How to seperate iron fillings
Iron fillings is a substance that attracts to magnets.
Answer - Separated using a magnet; magnetism
If you move a magnet around different solids with the iron fillings in it, it wil attract the iron to be able to seperate it.
When a meteroid goes into the atmosphere the friction starts slowing it down and generating heat.
From my understanding the correct answer would be phyical
A.
The first energy level has 2 electrons, the second has 8, and the third has 4
