IF CORRECT I WILL GIVE BRAINLIEST Which statements prove a chemical reaction took place?
(there is more than one answer)

A. A student leaves a clear liquid out on the counter. In the morning, only a white solid remains
B. A student bends a glow stick to mix materials, it produces light
C. Thermal energy is added to a liquid substance until it bubbles and turns into a gas
D. Two room-temperature substances are mixed together, and the mixture becomes cold

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.