Question

What are the effects of atmospheric pressure in science class8?

Answer 1

a syringe and a straw works on this principle

Answer 2

Answer:

Researchers have found that when magnetite is subjected to pressures between 120,000 and 160,000 times atmospheric pressure its magnetic strength declines by half. They discovered that the change is due to what is called electron spin pairing. ... Magnetism comes from unpaired electrons in magnetic materials.