Scanning Electron Microscope (SEM). Check Google next time lol
If they are negative and positive then they are attraction if the are the same then they are repulsion.
Hope this helps. Have a nice day.
One is working on electrons and the other on light.
Can you show the food web or plz describe it?<span />
Answer:
Whey is a liquid rich in water-soluble proteins, lactose, fats and minerals that plants also take advantage of in their development.
Explanation:
