In a nuclear chain reaction, each fission reaction can lead directly to 1. one more fission reaction.
2. two more fission reactions.
3. three more fission reactions.
4. four more fission reactions.

An alcohol thermometer makes use of alcohol's changing in order to measure temperature. as the temperature goes up, the alcohol contained in the thermometer increases in volume, filling more of the thermometer's tube.

Which of the following happens during cell division? (a) energy is created (b) waste is eliminated (c) carbon dioxide is released (d) damaged cells are replaced

One does not belong why? ice, gold ,wood ,diamond and table salt