HELP PLEASEEE If you make a narrow opening with your mouth and blow air out of your lungs it will feel cool.
This is because the air is able to expand as it passes between your lips. This demonstrates which relationship?

a) volume decreases & temperature increases

b) pressure increases & temperature decreases

c) volume increases & temperature decreases

Observation and experimentation have led many scientists to accept a theory about the origin of the universe. this theory is called the big bang theory. scientific evidence collected and observed by scientists around the world suggests that the universe is ever expanding from a hot and dense initial state. what makes this a scientific theory? (2 points)

What methods could you use to solubilize calcium carbonate

what is your question? collegechemistry 5+3 pts in november 1987, a massive iceberg broke loose from the antartic ice mass and floated free in the ocean. the chunk of ice was estimated to be 98 mi long, 25 mi wide, and 750 ft thick. a typical backyard swimming pool contains about 24,000 gallons of water. how many of these pools could you fill from the water in this iceberg? (assume the iceberg is a rectangular solid of the above dimensions and consists of water only). express answer in scientific notation.