Which of the following statements describes what happens as you rub your hands together?
A. Matter is transferred from one hand to the other.
B. Kinetic energy is converted to heat energy.
C. Perfectly efficient energy transfer occurs.
a
D. Perpetual motion begins.

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.