Answer:
A scientist who studies thermodynamics might experiment with the instant ice packs where you have to pop a bag on the inside to create a chemical reaction to make it cold.
Answer:
The crumpled paper hits the ground first due to air resistance. The crumpled paper has less surface area than the flat paper, therefore the crumpled paper hits first.
I hope this helped. If you could mark brainliest that would be greatly appreciated.
Athens was known for its love of pottery , the sculptures , and architecture
I hope that's help !