What might happen when a gas is exposed to a small flame?

All cells are made of four types of acids, lipids, proteins, and carbohydrates.

Astring vibrates with a frequency of 10 hz. why can't a person hear the sound waves produced by the vibrating string, no matter how large the amplitude of the waves? out! this is homework and due tomorrow! you so much!

What happens to the temperature of a substance when the average kinetic energy of its particles increases?