Answer: A Neutron
John Conway's "look and say" sequence has no digits other than 1, 2, and 3 in it, unless the seed number contains such a digit or a run of more than three of the same digit. A degenerate sequence appears with the seed of 22.
Answer: Plate Tectonics
One famous transform boundary is the San Jose fault line in California. Scientist can now track the movement of the plates through GPS.
Sodium chloride (also known as salt or halite), is an ionic compound representing a 1:1 ratio of sodium and chloride ions.