Science
Chalk is made from ancient sea life
HERE’S THE INTERESTING PART
The incredibly soft white sticks heavily utilized by eager schoolteachers to boldly write mathematical equations are fundamentally physically composed of immensely compressed prehistoric marine life. Millions of years ago, highly microscopic ocean creatures died and piled up on the deep seafloor, eventually fossilizing securely into immense bright massive limestone cliffs.
One discovery leads to another.
Keep exploring facts in this topic.
Science →
